A useful quotation is six hours for for an adult, eight hours for a child and ten hours for someone without any sense
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
My doctor has told me that tweens need 9 hours of sleep a night! A Sleep Doctor should tell you to sleep 10 hours of sleep not 9 hours. Now Adult can sleep up to 6 hours, there bodys don't need that much sleep:)
8 hours a night
Adult humans need around eight-ten hours of sleep every night.
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.
Kids and teens need 10 hours of sleep per night in order to be alert and healthy!
8-10 hours every night
teens need about 9 to 10 hrs per night but adults need at least 8.
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.
Most adults need between 7-9 hours of sleep a night. Some may need less, and too much sleep can just make you feel more tired.The National Sleep Foundation has a useful chart on their website for all age groups.http://www.sleepfoundation.org/article/how-sleep-works/how-much-sleep-do-we-really-need