We all don't get enough sleep, but how serious is it Someone needs 10 hours to feel like a human, and someone becomes cheerful in 7 hours.

National Society for the Study of Sleep Conducts Research. 18 scientists worked and they made more than 300 different conclusions about human sleep..

`` For the first time, scientists have written detailed recommendations for how much a person needs to sleep, depending on age, '' says Charles Zeisler, professor at Harvard Medical School..

As expected, scientists have shown that babies under 3 months old need to sleep at least 14-17 hours a day, and for adults (18 years old - 64 years old) 7-9 hours of sleep will ensure good health..

According to a survey, 30 percent of working people sleep a maximum of 6 hours. But lack of sleep leads to serious consequences - from irritability and depression, ending with diabetes and even cancer..

Here's how much sleep your body needs at different ages:.

Newborns (0-3 months) - 14-17 hours Babies (4-11 months) - 12-15 hours Children (1 year-2 years old) - 11-14 hours Preschoolers (3-5 years old) - 10-13 hours Schoolchildren (. ru.