The analysis of the state of health was checked more than 116 thousand people aged 35-70 years, living in different countries of the world. According to scientists, people who sleep less than 6 hours more than 8 hours are at risk.
Least likely to suffer from heart disease and premature death sleeping for 6-8 hours. Sleep 8-9 hours a day increased the risk by 5%, 9-10 hour sleep - 17%. If a person sleeps 10 hours or more, the risk of disease is increased by 41%. Lack of sleep on the contrary has provoked the disease is only 9%. Therefore, the excess sleep is more dangerous than lack of sleep. Experts say that NAPs (30-60 minutes) might be useful only for people sleeping less than 6 hours a day.
Experts say that NAPs (30-60 minutes) might be useful only for people sleeping less than 6 hours a day.
According to van Chuanshi, lead author of the study, the duration of sleep can help clinicians to identify people with high risk of heart and blood vessels, or death.