People ages 18 to 60 should get at least 7 hours of sleep per night. People ages 61 to 64 need 7 to 9 hours of sleep per night. ... “We all need light, deep, and REM sleep,” Rodgers says ...And we should spend around 15 to 20 per cent of the night in a deep sleep - around one and a half hours. For children the figures remain the same, requiring 20 per cent of deep sleep depending on ...How much deep sleep are people meant to get each night on average? "Technically, sleep specialists agree that for adults, the range of 6.68 to 10 hours of sleep per night is the optimum amount ...Benefits of Deep Sleep & How Much You Should Get. As mentioned previously, deep sleep is the time during which your body restores itself physically. In fact, 95% of human growth hormone is produced during deep sleep. What does this mean? You don’t actually get stronger in the gym or while you’re exercising. Working out breaks …Deep: also known as slow-wave sleep, deep sleep is when your body repairs and restores itself; Every individual's sleep requirements are different, though the recommended amount is 7-9 hours for most adults. This is enough time for your body to go through four to five 90-minute sleep cycles. In general, you spend most of the night in light sleep.How much deep sleep is normal? The average Apple Watch user gets 49 mins of deep sleep per night—about 13% of total sleep time. (If you did the math and calculated the average person gets about 6.5 hours of sleep, that’s right—most people aren’t getting enough sleep.) 13% is the average, but there’s a lot of variance.And we should spend around 15 to 20 per cent of the night in a deep sleep - around one and a half hours. For children the figures remain the same, requiring 20 per cent of deep sleep depending on ...According to New Health Advisor, adults 18 and older need anywhere from 1.5-1.8 hours of deep sleep per night, which is about 20% of your overall sleep. Some people, however, may find they need more hours of sleep in order to feel fully rested and consider it a good night’s sleep. After all, there’s no such thing as too much deep sleep.During our 60s, it often takes longer for us to fall asleep, and nightly sleep amounts decrease. Sleep may become more restless and fragmented. We’re often easily awakened at night and it may be ...The Sleep Sweet Spot. The average Fitbit user is in bed for 7 hours and 33 minutes but only gets 6 hours and 38 minutes of sleep. The remaining 55 minutes is spent restless or awake. That may seem like a lot, but it’s actually pretty common. “Sleep is not completely still,” says Fitbit Advisory Panel sleep expert Michael Grandner, MD ...REM sleep, which means “rapid eye movement sleep,” is one of the 4 stages of sleep (along with light, deep and wake) that your body’s sleep cycles consist of. It is known as the “mentally restorative” stage of sleep when the brain converts short-term memories into long-term ones. Your brain is very active during REM sleep and it is ...However, in current models, stage 4 and stage 3 sleep are generally merged under the category of deep sleep, as there is little reason to make these distinctions in the clinical environment. How aging affects deep sleep. How much deep sleep you get depends a lot on how old you are. This is related to the body's need to release growth hormone.Experts say 7 to 9 hours per night is the sweet spot — and while this sounds easy enough in theory, the reality is that life (work, errands, happy hour, family time) can easily get in the...According to the National Sleep Foundation, adults between 25 and 64 years of age need an average of 7 to 9 hours of sleep per night. Adults 65 and older need 7 to 8 hours per night. This is based on public health recommendations, but internal and external factors may change the number of hours you need. Kids in particular need the most sleep ...Its often cited to be 6 - 8 per night for adults, and 10 for children, but it varies so wildly. Mortality rises if average sleep per night drops below 4.5 hours if male, 3.5 hours if female. do not use alarms,sleep when you feel like sleeping,wake up when you feel like waking.The basics. BRFSS is a survey of adults that looks at health and risk behaviors, including sleep. Adults taking part in the BRFSS survey are asked: On average, how many hours of sleep do you get in a 24-hour period? The recommended amount of sleep for adults is at least 7 hours each day. Adults reporting less than 7 hours are:Learn what deep sleep is, how it differs from other stages of sleep, and why it is important for your health. Find out how much deep sleep you need, how to improve it, and what happens if you don't get …10 Nov 2019 ... REM Sleep - How Much Sleep Do You Need When you wake up in the morning, how do you feel? Do you feel refreshed and ready to go?That's typical for most people. 1 hour is normal! The average Apple Watch user gets 50 minutes per night of deep sleep, 87 minutes of REM sleep, and 267 mins of core sleep. (Coincidental timing! This morning, we actually just launched a new Checkups feature in Empirical Sleep which shows you how your sleep data compares to the average.3) Avoid caffeine within 8-10 hours of bedtime. Dr. Matt Walker (sleep expert from UC Berkeley) might even say 12-14 hours. I do fine with caffeine at 2 pm and I go to sleep at ~10-11 pm. Dr. Walker was on the Huberman Lab Podcast and we discussed this in detail. 4) If you have sleep disturbances, insomnia, or anxiety about sleep, try the ...How Much Deep, Light and REM Sleep Do You Need? We all know the importance of getting enough sleep. However, did you know that the quality of the sleep you’re getting can be just as important as quantity? Furthermore, did you know that there are different stages of …Deep sleep should account for at least twenty percent of your overall sleep. Seniors require about 2 hours of deep sleep each night in order to feel rejuvenated and fully function the next day. A common misconception is that older people need less sleep. The truth is, our sleep requirement does not decline with age.Can’t wake up in the morning and smashing that snooze? The snooze button may be making it harder to wake up. Although the snooze button may seem like just what you need on Monday m...Although there are no definitive guidelines for how much deep sleep you need, experts say that most adults need between seven and nine hours of sleep each night. There are two types of sleep: rapid eye movement (REM) and non-rapid eye movement (NREM) sleep. There are three stages of NREM sleep: stage 1, stage 2, and stage 3. When you get enough deep sleep, you wake up feeling refreshed. Without enough, you'll feel tired even if you got a full night of rest. Typically, you'll see deep sleep on your sleep-tracking ... If you find yourself constantly tossing and turning all night, maybe it’s time to toss out your old mattress. For a better night’s sleep, look for a mattress that reduces pressure ...Some experts recommend adopting sleep hygiene habits to improve sleep quality. Examples of sleep hygiene habits include: Exercising regularly. Maintaining a cool, dark, and quiet bedroom environment. Establishing a regular bedtime routine with soothing activities, such as reading or taking a warm bath.Ideally, adults should spend about 13 to 23% of their time asleep (about one to two hours) in deep sleep. When you don’t get as much deep sleep as your body needs, you’re more likely to experience side effects like irritability, fatigue, trouble concentrating, and even increased cravings for high-calorie foods. However, getting an adequate ...Learn what deep sleep is, why it's important, and how much you need. Find out how to improve your deep sleep quality and what happens if you don't get enough.This benchmark is often said to be between 7-9 hours for most people, but the amount of sleep we really need varies by age. Our guide breaks down how much sleep you might need depending on your age bracket, and why this is important. Age group. Recommended. Newborns (0-3 mths) 14-17 hours (including naps) Infants (4-11 …That depends on how much sleep you personally need overall. Medical advice states that most people need 7 to 9 hours of sleep a night. And, during that, you’ll probably get about 2 hours of deep sleep. Deep sleep is one of the 5 stages of sleep – including awake time, light sleep, deep sleep, and rapid eye movement, or REM sleep.4 days ago · 13-18 years. 8-10 hours. Adult. 18 years and older. 7 hours or more. Different age groups need different amounts of sleep. In each group, the guidelines present a recommended range of nightly sleep duration for healthy individuals. In some cases, sleeping an hour more or less than the general range may be acceptable based on a person’s ... 20 Oct 2022 ... Find out how much deep sleep you need. For more interesting details on deep sleep, as well as tips and advice on getting more deep sleep you ...Mar 23, 2023 · Here, timing matters: You get more deep sleep in the start of your shut-eye, and more REM sleep later in the night. Go to bed at your usual time of 10 or 11 p.m., and you’ll get the deep and REM sleep you need. But if you stay up late — a 2 a.m. bedtime, for example — but wake up at your usual time, you’ll cut into your deep sleep, he says. An average sleep cycle lasts about 90 minutes. Ideally, you need four to six cycles of sleep every 24 hours to feel fresh and rested. Each cycle contains four individual stages: three that form ...REM sleep plays a role in memory consolidation, emotional processing, brain development, and dreaming. Rapid eye movement (REM) sleep goes by many names, including active sleep, desynchronized sleep, paradoxical sleep, rhombencephalic sleep, and dream sleep. Many people have been told REM sleep is the stage of sleep in which you dream, but REM ...How much sleep do you need? The amount of sleep each person needs will vary, but the National Sleep Foundation recommends at least: 14-17 hours for newborns (0-3 months) 12-15 hours for infants (4-11 months) 11-14 hours for 1- and 2-year-olds. 10-13 hours for 3- to 5-year-olds. 9-11 hours for 6- to 13-year-olds. 8-10 hours for 14- to 17-year-olds.WHOOP | Your Personal Digital Fitness and Health Coach ... Redirecting...The basics. BRFSS is a survey of adults that looks at health and risk behaviors, including sleep. Adults taking part in the BRFSS survey are asked: On average, how many hours of sleep do you get in a 24-hour period? The recommended amount of sleep for adults is at least 7 hours each day. Adults reporting less than 7 hours are:Getting a good night’s sleep is essential for overall health and wellbeing. Unfortunately, many people struggle to get the quality sleep they need. Eight Sleep is a revolutionary s...Updated on March 6, 2024. In This Article. Phases and Stages of Sleep. The Deep Sleep Stage, Defined. How Much Deep Sleep You Should Get a Night. How to Know If You're Getting Enough Deep Sleep. Photo: Getty Images. Whether you wake up feeling groggy or refreshed depends in part on what happens throughout the night as you snooze.How much deep sleep are people meant to get each night on average? “Technically, sleep specialists agree that for adults, the range of 6.68 to 10 hours of sleep per night is the optimum amount ...When figuring out “how much deep sleep do seniors need?”. It’s important to also remember it’s the quality that’s most important. For healthy adults, 13 to 23 percent of sleep should be deep sleep. For an average eight-hour night of sleep, that’s roughly 60 to 110 minutes spent in deep sleep.Use the sleep calculator to determine how much sleep you need based on your age and lifestyle preferences. Learn about the stages of sleep, the consequences of sleep deprivation, and how to improve your sleep hygiene.This will generally last anywhere between 45 and 90 minutes. As the night progresses, deep sleep stages become shorter. In healthy adults, between 13% and 23% of a night’s sleep will be deep ...Those extra pounds might be because of those extra hours spent in bed. Sleeping too much is linked to weight gain and obesity, as is sleeping too little. Research shows that people who sleep for 10 hours every night are 21 percent more likely to enter into the “obese” body weight category over a six-year span when compared to people who ...Maybe 4-6 on the week days, usually sleep in on Sunday. My brain hates me and won't let me sleep most of the time. I generally try for 8, but normally end up with ~7. Usually 5-6 if I have work in the morning. 8-9 if I can sleep in. Pretty much all my life I've been a night owl, I love staying up late in the night.Aging itself doesn't seem to account for sleep complaints in older adults -- but maybe it should. Find out more about how your sleep can change with age and if you're not happy with the quality of your sleep, says Johns Hopkins sleep researcher Adam Spira, Ph.D., consider talking with your doctor about possible causes and healthy ways to improve it.3. Cut the Caffeine. We all need that push through the afternoon sometimes, but it isn’t always to your advantage to have uppers in your system when you’re trying to wind down. Stop drinking coffee after 3:00pm if you find it difficult to wind down early! 4. Leave Stressors and To-Do Lists Elsewhere.Feb 29, 2024 · How much core sleep you need every night depends on a few key factors, such as your age, health, lifestyle, etc. It also depends on which definition of core sleep you’re adhering to. Sleep needs are largely personal, but the Centers for Disease Control and Prevention (CDC) 3 recommends adults between the ages of 18 and 60 get seven or more ... Feb 7, 2023 · So how much deep sleep do you need? According to New Health Advisor, adults 18 and older need anywhere from 1.5-1.8 hours of deep sleep per night, which is about 20% of your overall sleep. Some people, however, may find they need more hours of sleep in order to feel fully rested and consider it a good night’s sleep. Learn about the stages of sleep, the benefits of deep sleep, and how to get more of it. Find out how much deep sleep you should get every night and how it changes as you age.If you want your body to process perfectly, you need to take 20-25% of REM sleep, which is 90 minutes from your 7-8 hours of sleep. Babies and children get more REM sleep than adults. In this stage, we become paralyzed, so we can’t act on our dreams. On top of that, REM sleep helps in learning and retaining memories.Experts say 7 to 9 hours per night is the sweet spot — and while this sounds easy enough in theory, the reality is that life (work, errands, happy hour, family time) can easily get in the...Maybe 4-6 on the week days, usually sleep in on Sunday. My brain hates me and won't let me sleep most of the time. I generally try for 8, but normally end up with ~7. Usually 5-6 if I have work in the morning. 8-9 if I can sleep in. Pretty much all my life I've been a night owl, I love staying up late in the night.Good sleep is essential for our physical, mental, and emotional wellbeing. The average adult needs at least seven hours of sleep each night. Unfortunately, fewer than two-thirds of women actually get that much sleep each night, according to the CDC. Biological conditions unique to women, like the menstrual cycle, pregnancy and …The four stages make up a sleep cycle, which averages about 90 minutes. When you’re getting enough hours of sleep, you’ll likely go through four to six sleep cycles per night. Deep sleep isn’t the longest sleep stage; that’s stage 2, which lengthens with each cycle and eventually makes up about 50% of total sleep.You should aim for about 13 to 23 percent of your sleep to be in these stages. So, if you get 8 hours of sleep, you should be getting anywhere between an hour and just under two hours of deep sleep. However, it’s important to note that what time you go to bed can greatly influence how much deep sleep you get.Let’s face it — anything you can do to save time during your morning routine is a plus, especially if it allows you to get other things accomplished or even sleep in a little longe...Then, somewhere in your later 40s or 50s, sleep started to get wonky. You go to bed exhausted, but still have trouble falling asleep. ... as we spend less time in deep sleep (and to a subtler ...During slow-wave sleep, electrical activity in the brain changes while the body relaxes into deep and restorative rest. Each period of slow-wave sleep lasts from 20 to 40 minutes, and the majority of slow-wave sleep happens early in the night. Most adults spend around 10% to 20% of their sleep in slow-wave sleep.With this in mind, researchers have found 2 that the first stage of REM sleep typically starts about 60 to 90 minutes after we fall asleep, and it lasts around 10 minutes. As the night goes on, we phase in and out of REM cycles, and the time spent in each gets longer and longer. The last stage of REM can get up to an hour in length, so most of ...It is often difficult to wake up during deep sleep, and when you do you are likely to feel groggy and disoriented. 3. REM SLEEP ... How Much Sleep Should You Get? Looking at the graphic above, if you subtract the time awake from the total, WHOOP members average 7:02 of sleep each night. The middle 50% range between 6:42 and 7:24.Deep sleep should account for at least twenty percent of your overall sleep. Seniors require about 2 hours of deep sleep each night in order to feel rejuvenated and fully function the next day. A common misconception is that older people need less sleep. The truth is, our sleep requirement does not decline with age.Babies between 4 and 12 months should stay asleep for 12 to 16 hours. Toddlers between 1-2 year should sleep between 10 and 13 hours a day. Children between 6-12 years should ideally get 9 to 12 hours of deep sleep. Teenagers aged 13 to 18 years should sleep 8 to 10 hours a day.My deep sleep is often only 13 minutes, according to my Versa's sleep data. The most I get is 55 minutes, which still doesn't seem much to me. Curious to know how much deep sleep other FitBit users get on an average night, and what time you go to sleep at - when I was growing up, there was a saying about sleep that went, "an hour before ...So, how many hours of deep sleep should you get? Are 4.5 hours of deep sleep enough? We would say it’s too much. On average, an adult gets 1-2 hours of deep sleep during the 8-9 hours of the sleep cycle.Cycle 2: You’ll get slightly more light sleep, still a lot of deep sleep (but less than before), and a little more REM. Cycle 3: You’ll probably log a lot more light sleep, a little bit of deep sleep, and more REM. After this, during the second half of the night, the cycles mostly break down as your body alternates between light sleep and ...Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...The amount of deep sleep you need can vary and you tend to need less of it the older you get. A typical adult would usually benefit from have around 1.5 to 2 hours of deep sleep each night if they ...Your sleep needs vary during your lifetime and by how many sleep cycles you need to feel rested. Keeping track of your sleep schedule might not always be your top priority, but getting...Most adults need seven to nine hours of sleep every night. That doesn’t mean you should stay in bed for that long. You will likely spend some time awake at night; you shouldn’t count that against your total sleep time. So, how much sleep should you aim for? Between 13% and 23% of your overall sleep should be a deep sleep.Feb 7, 2023 · So how much deep sleep do you need? According to New Health Advisor, adults 18 and older need anywhere from 1.5-1.8 hours of deep sleep per night, which is about 20% of your overall sleep. Some people, however, may find they need more hours of sleep in order to feel fully rested and consider it a good night’s sleep. Tense your face muscles for 10 seconds. Release the tension and take several deep breaths. Next, tense your shoulder muscles for 10 seconds before releasing. Inhale and exhale deeply. Repeat these steps for other muscle groups throughout your body, starting with your shoulders and continuing through to your feet.Learn what deep sleep is, how it differs from other stages of sleep, and why it is important for your health. Find out how much deep sleep you need, how to improve it, and what happens if you don't get enough.Health Benefits. Deep Sleep Tests. Deep sleep, or slow-wave sleep, is the kind that helps you wake up feeling recharged. You may be able to get more deep sleep by: Adjusting the time you go to bed. … For most healthy adults, guidelines suggest at least seven hours of slumber. But these are general recommenda
Are you in need of a new mattress? Look no further than Big Lots’ mattress sale. With their wide selection and unbeatable prices, you can finally get that good night’s sleep you’ve...Your sleep needs vary during your lifetime and by how many sleep cycles you need to feel rested. Keeping track of your sleep schedule might not always be your top priority, but getting...The amount of deep sleep you need can vary and you tend to need less of it the older you get. A typical adult would usually benefit from have around 1.5 to 2 hours of deep sleep each night if they ...Jan 13, 2020 · Your body typically goes into REM sleep, or deep sleep, around 90 minutes after you fall asleep, and it can last for up to an hour. Ideally, adults should spend at least 25 percent (or 1.5 to 2 ... How much sleep you need. Everyone needs different amounts of sleep. On average: adults need 7 to 9 hours; children need 9 to 13 hours; toddlers and babies need 12 to 17 hours; You probably do not get enough sleep if you're constantly tired during the day. What causes insomnia. The most common causes of insomnia are: stress, anxiety or ...My deep sleep is often only 13 minutes, according to my Versa's sleep data. The most I get is 55 minutes, which still doesn't seem much to me. Curious to know how much deep sleep other FitBit users get on an average night, and what time you go to sleep at - when I was growing up, there was a saying about sleep that went, "an hour before ...25 Feb 2023 ... The average Apple Watch user gets 49 mins of deep sleep per night—about 13% of total sleep time. (If you did the math and calculated the average ... Babies between 4 and 12 months should stay asleep for 12 to 16 hours. Toddlers between 1-2 year should sleep between 10 and 13 hours a day. Children between 6-12 years should ideally get 9 to 12 hours of deep sleep. Teenagers aged 13 to 18 years should sleep 8 to 10 hours a day. 10 Nov 2019 ... REM Sleep - How Much Sleep Do You Need When you wake up in the morning, how do you feel? Do you feel refreshed and ready to go?During our 60s, it often takes longer for us to fall asleep, and nightly sleep amounts decrease. Sleep may become more restless and fragmented. We’re often easily awakened at night and it may be ...Sleep is an essential function for all humans and animals, just like air, water and food. Sleep is important for your physical and emotional health and wellbeing. Your sleep consists of cycles lasting 90 minutes, divided into 2 stages — rapid eye movement (REM) sleep and non-rapid eye movement (NREM) sleep. If you do not get enough sleep, you ...It is often difficult to wake up during deep sleep, and when you do you are likely to feel groggy and disoriented. 3. REM SLEEP ... How Much Sleep Should You Get? Looking at the graphic above, if you subtract the time awake from the total, WHOOP members average 7:02 of sleep each night. The middle 50% range between 6:42 and 7:24.About 25% of your sleep is spent in REM. How much REM sleep you need will depend on how much sleep you require in general to feel rested. As a rule of thumb, adults should aim for seven to nine hours of sleep per night. Within this window, you’ll log 105 to 135 minutes of REM sleep.During slow-wave sleep, electrical activity in the brain changes while the body relaxes into deep and restorative rest. Each period of slow-wave sleep lasts from 20 to 40 minutes, and the majority of slow-wave sleep happens early in the night. Most adults spend around 10% to 20% of their sleep in slow-wave sleep.So the deepest sleep could help you remember your entire childhood. As an adult, about 13% – 23% of your sleep should be in deep sleep. If you are getting about eight hours of sleep a night, it would be between 62 to 110 minutes of deep sleep. The older you become, the less deep sleep is needed. So 4 – 5 hours of deep sleep might … While deep sleep tends to dominate the first half of your sleep, REM sleep tends to take over the latter half, getting longer as you sleep. While the first REM stage may last only a few minutes, later stages can last for around an hour. In total, you should spend about 20-25% of your sleep in REM. Giraffes get very little sleep because they must remain alert for attacks from predators, according to Live Science. They usually sleep for five minutes at a time and get 30 minute...Penguins sleep on both land and as they float at sea. It is not unusual for penguins to sleep standing up, although they also sleep laying down.Jun 13, 2023 · RNEM sleep includes the period of drifting off, light sleep and deep sleep (also called slow-wave sleep). The first three stages take about 60 to 90 minutes, after which you will experience a period of REM sleep. The sleep cycle lasts for about one and a half to two hours and repeats several times throughout the night. Let’s face it — anything you can do to save time during your morning routine is a plus, especially if it allows you to get other things accomplished or even sleep in a little longe...Then, somewhere in your later 40s or 50s, sleep started to get wonky. You go to bed exhausted, but still have trouble falling asleep. ... as we spend less time in deep sleep (and to a subtler ...Most adults need seven to nine hours of sleep every night. That doesn’t mean you should stay in bed for that long. You will likely spend some time awake at night; you shouldn’t count that against your total sleep time. So, how much sleep should you aim for? Between 13% and 23% of your overall sleep should be a deep sleep.Jul 7, 2023 · The amount of sleep a person needs recalibrates over time, and circadian rhythms change with age. The 16-year-old who stayed up until midnight may become a 36-year-old who gets drowsy by 10 p.m. For most healthy adults, guidelines suggest at least seven hours of slumber. But these are general recommendations and not strict rules. "Some people need less than seven hours, while others might need more," says Eric Zhou with the Division of Sleep Medicine at Harvard Medical School.The first cycle of deep sleep may last 20-40 minutes [3]. Experts say that deep sleep should make up about 15-20% of your total sleep time. So, if you sleep 8 hours, then you should have between 1-2 hours of deep sleep. [1-3] Nevertheless, according to the Committee on Sleep Medicine and Research, how much you get will depend on your current ...This will generally last anywhere between 45 and 90 minutes. As the night progresses, deep sleep stages become shorter. In healthy adults, between 13% and 23% of a night’s sleep will be deep ...Caterpillars do sleep. During the daytime, they sleep on the underside of leaves. When they wake up, caterpillars eat the leaves they were sleeping on. They continue this process u...The recommended amount of total sleep an adult needs each night is 7 to 9 hours. However, each person is unique and will function well in different amounts. Deep sleep should make up 10% to 15% of your total overall sleep.If you want your body to process perfectly, you need to take 20-25% of REM sleep, which is 90 minutes from your 7-8 hours of sleep. Babies and children get more REM sleep than adults. In this stage, we become paralyzed, so we can’t act on our dreams. On top of that, REM sleep helps in learning and retaining memories.That's typical for most people. 1 hour is normal! The average Apple Watch user gets 50 minutes per night of deep sleep, 87 minutes of REM sleep, and 267 mins of core sleep. (Coincidental timing! This morning, we actually just launched a new Checkups feature in Empirical Sleep which shows you how your sleep data compares to the average.If you find yourself constantly tossing and turning all night, maybe it’s time to toss out your old mattress. For a better night’s sleep, look for a mattress that reduces pressure ...Most adults need seven to nine hours of sleep every night. That doesn’t mean you should stay in bed for that long. You will likely spend some time awake at night; you shouldn’t count that against your total sleep time. So, how much sleep should you aim for? Between 13% and 23% of your overall sleep should be a deep sleep.Learn what deep sleep is, why it's important, and how much you need. Find out how to improve your deep sleep quality and what happens if you don't get enough.How much sleep do we need? ... As can be seen in the graph, the amount of sleep required continues to decrease throughout a life time. From 0-3 months, babies can ... About 25% of your sleep is spent in REM. How much REM sleep you need will depend on how much s