Your brain is programmed for it through your circadian cycles.
you need sleep every night simply to refresh your body for the next day! it is also very relaxing!
no they do not need light they need sleep.
Children need about 9-10 hours of sleep a night. Young adults should get around 8-9 hours of sleep a night.
between 5-7 hours of sleep. Children need at least 7-8 hours of sleep
Ages 13-18 need about 8 to 10 hours of sleep. 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.
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Most people I know get about 10-13 hours of sleep a night. I get about 10 hours of sleep.
Some studies suggest that teenagers need 8 to 10 hours of sleep a night.
You will need a good night's sleep before that exam tomorrow.
Most people I know get about 10-13 hours of sleep a night. I get about 10 hours of sleep.
at night. they only need half an hour each day. they sleep whenever they can.
teens need about 9 to 10 hrs per night but adults need at least 8.