how many hours do you really need to sleep?
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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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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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Staying up all night to study or to party isn't a good plan to get through college. According to several scientific studies, adults between 18-60 years need to sleep at least seven hours a day. ... Thirdly, sleeping a 7-8 hours a day allows your body and mind to rest so that you can properly function the following day.
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For some lucky few, that's 6 hours. I tend to function better on at least 7–8 hours. I'm guessing maybe you do, too. I realized that if I planned to wake up 2 hours earlier than normal, and I normally sleep 8 hours, I better get to bed 2 hours earlier to keep the status quo and my body functioning properly.
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Preschoolers (3 to 5 years): 10 to 13 hours of sleep. School-aged children (6 to 13 years): 9 to 11 hours of sleep. Teenagers (14 to 17 years): 8 to 10 hours of sleep. Young adults (18 to 25 years): 7 to 9 hours of sleep.
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Missing 1 or 2 hours of sleep may not seem like a big deal, but it can negatively affect a person's mood, energy levels, and ability to handle complex tasks. Chronic sleep deprivation can increase a person's risk of cardiovascular diseases, obesity, and diabetes. Most adults need around 7 hours of sleep each night.
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Although a small percentage of people actually need 10 hours, for most adults sleeping more hours than the recommended amount may indicate an underlying health concern. In addition, regularly sleeping more than the suggested amount may increase the risk of obesity, headache, back pain, and heart disease.
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Their recommended amount of sleep is 8 hours for people 18 to 21 and 7 hours per night for adults over 21.
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Importance of Sleep The American Academy of Sleep Medicine has recommended that children aged 6–12 years should regularly sleep 9–12 hours per 24 hours and teenagers aged 13–18 years should sleep 8–10 hours per 24 hours. Students who get enough sleep may have fewer attention and behavior problems.
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School-aged children (6 to 13 years): 9 to 11 hours of sleep. Teenagers (14 to 17 years): 8 to 10 hours of sleep. Young adults (18 to 25 years): 7 to 9 hours of sleep. Adults (26 to 64 years): 7 to 9 hours of sleep.
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The average healthy adult gets roughly 1 to 2 hours of deep sleep per 8 hours of nightly sleep.
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An average adult needs between 7.5 and 8 hours of sleep per night.
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About teenage sleep needs and patterns Most teenagers need 8-10 hours of sleep each night. Some need as little as 7 hours or as much as 11 hours. It's very common for children in the early teen years to start wanting to go to bed later at night and get up later in the morning.
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Most people need about 7 to 9 hours of sleep a night. If you're an athlete in training, you may need more. "Just as athletes need more calories than most people when they're in training, they need more sleep, too," Geier says. You're pushing your body in practice, so you need more time to recover.
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Most healthy older adults age 65 or older need 7-8 hours of sleep each night to feel rested and alert. But as you age, your sleep patterns may change. These changes can cause insomnia, or trouble sleeping.
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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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How much deep sleep should you get? In healthy adults, about 13 to 23 percent of your sleep is deep sleep. So if you sleep for 8 hours a night, that's roughly 62 to 110 minutes. However, as you get older you require less deep sleep.