Science says you should not sleep longer than eight hours - here's why

Bad news for anyone who loves a good closure.


We all know that not having enough sleep per night causes serious consequences, increasingYour risk of heart disease and dementia, speeding up the aging process, weaken your immune system, making you much more likely to enter a car accident andeven invite weight gain. But now a growing body of research seems to indicate that too much sleep can be as deadly, at least for your heart.

Back in August,A paper published in the Journal of the American Heart Association I found that those who slept for 10 hours were 30% more likely to die prematurely, 49% more likely to develop cardiovascular disease and had an increase of 56% risk of cerebral stroke than those who maintained 7 to 9 hours recommended per night. Unlessyou are beautifulGwyneth PaltrowThe odds you really have the time of you snooze for 10 hours full per night, it is unlikely, so you can think that this data does not apply to you.

But, according to a globalto study Published Wednesday in theEuropean heart newspaper, even all that precedes eight hours is bad for you. The researchers studied data from 116,632 people in 21 countries over the past eight years and found that those who slept eight to nine o'clock had an increased risk of 5% for cardiovascular disease or death. Those who slept nine at ten o'clock increased this risk of 17% and, in corroboration with previous research, the risk jumped to 41% for those who slept 10 hours or more.

The authors note that, since the data in this study were self-reported, it is possible that those who slept more than longer periods of time were underlying health conditions that needed them to rest more and contribute to them. with early mortality. Yet, for now, it seems thatThe sweet spot for a perfect night's sleep is six to eight o'clock As opposed to the seven to eight previously recommended.

There is good news however for those of us who love a good nap. In accordance with other new research, this study revealed that if you can not have a good night rest, a small snooze during the day can go very far in the restoration of your body and your mind.

"The day nap has been associated with increased risk of major cardiovascular events and deaths in those who have [more than] six hours of night sleep but not to those who sleep [less than] 6 hours per night,"Chuangshi Wang, a student doctorate in McMaster and Medical College of the Beijing UnionIn China and head of the study, said.

But how long of this side card depends on what you want to get out, as well as what you are chronotype. For more things about that, check what theExperts must say on the length of a perfect nap.

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