Researchers from the UK do not agree with the previous statements of scientists that need to sleep 8:00. More than 10 years, representatives of University College London dealt with the duration of sleep and watched over the health ofmorethan 10 000 people aged 35-55 years. At the end of the study found: a long sleepmorethan 7-8 hours is also bad for the body, as well as short-term.Doctors said the 7-hour sleep is optimal for health, and any deviation from this norm leads to a violation not only of the biological clock of the organism, but also to the development of diseases, life-threatening. / Women's passion /