is 5 hours sleep sufficient?
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Sometimes life calls and we don't get enough sleep. But five hours of sleep out of a 24-hour day isn't enough, especially in the long term. According to a 2018 study of more than 10,000 people, the body's ability to function declines if sleep isn't in the seven- to eight-hour range.
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It takes, on average, about 90 minutes to go through each cycle. If you can complete five cycles a night, you'd get 7.5 hours of sleep a night.
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How Much Sleep Is Too Much? Sleep needs can vary from person to person, but in general, experts recommend that healthy adults get an average of 7 to 9 hours per night of shuteye. If you regularly need more than 8 or 9 hours of sleep per night to feel rested, it might be a sign of an underlying problem, Polotsky says.
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The answer depends on whom you ask, but in general, experts recommend keeping naps short: 10 to 30 minutes for a power nap, and no more than two hours for longer naps. Any more than that and nappers risk having trouble getting sufficient sleep (at least six hours) overnight.
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Answer by Shawna Curry, Registered Nurse (BN), on Quora: Research indicates that optimal sleep is between seven and nine hours. The caveat on it is the quality of your sleep.
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Although many people define sleep deprivation as getting less than six hours of sleep per night, there are those who seem to thrive on as little as four to five hours of sleep. It is not uncommon to call both of these conditions insomnia.
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At this age most babies need at least 15 hours of total sleep in a 24 hour period. Ideally we'll see at least 10 hours of sleep at night and 3-5 naps a day, though there is still a lot of variation at this age.
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It takes, on average, about 90 minutes to go through each cycle. If you can complete five cycles a night, you'd get 7.5 hours of sleep a night. Six full cycles are about 9 hours of sleep.
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Most healthy adults sleep for an average of seven to nine hours a night. As you get older, it is normal to need less sleep. Most people over 70 need less than six hours sleep a night, and they tend to be light sleepers.
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If you can complete five cycles a night, you'd get 7.5 hours of sleep a night. Six full cycles is about 9 hours of sleep. Ideally, you want to wake up at the end of a sleep cycle instead of in the middle of it. You usually feel more refreshed and energized if you wake up at the end of a sleep cycle.
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Most people need at least seven to eight hours of sleep at night for the body and brain to function normally. So, if you stay up all night, missing out on the recommended amount of sleep, your brain will be equally as weary—rendering a sharp decrease in performance for specific learning and memory tasks.
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Seven to eight hours of sleep is recommended for older adults with 5 to 6 hours being appropriate for their age. Getting less than 5 hours of sleep, however, is not advised.
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The recommended hours of sleep for teens is 8 to 10 hours but still deemed appropriate at 7 hours per day. They should not be sleeping less than 7 hours.
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For about a decade, the paediatric sleep community has recommended that children three to five years old need 11 to 13 hours, children five to 10 years old need 10 to 11 hours, and adolescents 10 to 17 years need eight-and-a-half to nine-and-a-half hours of sleep each night.
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For teenagers in high school, eight hours of sleep is the minimum amount, but for good health, they should really get up to ten. College students, on the other hand, should get about seven to nine hours of sleep. This amount is also generally recommended for online students who are over the age of 26.
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While sleep requirements vary slightly from person to person, most healthy adults need between 7 to 9 hours of sleep per night to function at their best.
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If you wake up at 6 am, to get 7-9 hours of sleep you should be going to bed between 9 pm and 11 pm.