Researchers have found that age plays a key role in determining the optimal amount of sleep for a person. As a result, they named the best time for all ages: the older a person gets, the less sleep he needs.
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Newborns and young children need about 15 hours of sleep every day – this will have a positive effect on their development and growth. With a lack of sleep, behavioral problems can occur, and ADHD develops. For adults aged 26-64, between 7 and 9 hours of sleep a day is enough: shorter duration can cause heart disease and blood pressure rise. It is also impossible to abuse sleep, as well as sleep on the day off.
After 65, a person needs less sleep – no more than 8 hours a day. With an increase in this indicator, the likelihood of diabetes and dementia increases, doctors noted.