How much deep sleep do I need?
How much sleep does one require?
How many hours of sleep does a kid need? How important is sleep? How much should I sleep as a teenager? I am 16 year old. How many hours should I sleep? I have been sleeping for 4 hours a day apparently, is it normal? How many hours of focused, detailed work can a person reasonably do in a 24-hour period, before needing sleep? Is a Sleep Number bed worth the cost? Is sleep important? How many hour students sleep? Why do we need eight hours of sleep? What is the ideal amount of sleep time that a teenager needs to be healthy? Why does your body need 8 hours of sleep? Gary Vaynerchuk recommends working from 7pm - 2a.m. How many hours sleep does he suggest a person get? What's the ideal ratio of light, deep, and REM sleep? How many calories do I burn while sleeping? How can you max out REM sleep? Is 6 hours of sleep enough for a 17 year old? How much sleep does the US President get every night? What are some tips for making the most of your Sleep No More experience? I sleep only 4 hours. I try to sleep more but I can't. What's the minimum hours we should sleep? How do I avoid sleep so much? Would having two 4-hour cycles of sleep (per day) as effective for the body as sleeping 8 hours in a row? Is sleep actually that important? What's the best way to get sleep? At what time one should sleep at night to wake up at 5:00am? I sleep at 10 pm and wake up at 4 am (for studies). I'm 15 years old. Is my sleep enough for me? How many hours can a person work at most attentively without sleeping? Do people who need less sleep get a higher percentage of REM or slow-wave sleep? How much of a tangible impact will long term sleep deprivation have on me now? How do you sleep 7 hours a day? Which is better: sleeping 7–8 hours using an alarm waking up naturally?