How much time is a human being required to sleep?
What is the ideal amount of time to sleep?
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 long does one spend in light sleep versus deep sleep? What time should I sleep at my startup? How many hours do you sleep per night? How many hours do you sleep (day & night) per day? I sleep only 4 hours. I try to sleep more but I can't. What's the minimum hours we should sleep? What is the ideal amount of sleep time that a teenager needs to be healthy? At what time one should sleep at night to wake up at 5:00am? Is there really a minimum amount of sleep that one requires to function properly or can each individual adapt to function off just a few hours? Sleep Habits: What is the least amount of hours of sleep do I need in a working week? Is 6 hours enough sleep? How many hours of focused, detailed work can a person reasonably do in a 24-hour period, before needing sleep? How many minutes of deep and REM sleep are best? Is it unhealthy to sleep for over 12 hours? How do you sleep 7 hours a day? How do I sleep 7 hours a day? How do I sleep 5 hours a day? By practicing to sleep for 5 or 6 hours, is it possible to maintain a healthy life style? Is it normal to sleep for 5 hours and wake up feeling very energized? How many hours of sleep does a kid need? What does it feel like to sleep for fewer than 5 hours a day for more than a year? Why do we need eight hours of sleep? 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 dio I sleep continuously for 8 hours, if I used to 6.5 - 7 hours? How do I sleep 8 hours in 4 hours of sleep? Is it healthy to sleep for 12 hours a day? Why or why not? Is it possible to reduce the amount of sleep I need every night? How do you strategically sleep only 5 hours a day and be well rested? How can I sleep only 5 hours and be well rested? How do I sleep 8 hours in 4 hours?