This is news that should be of interest to anyone who has decided to sacrifice a few hours of sleep. to cheer on their favorite football team : not getting enough sleep would make us to get old faster…
In any case, this is the conclusion of a recent Singaporean study published in the (aptly named) scientific journal Sleep. The work involved 66 participants aged 55 and over: the researchers observed their brain activity by medical imaging for 2 years. Verdict: Participants who did not get enough sleep saw their cognitive decline accelerate compared to those who accumulated enoughhours of sleep.
Every hour of sleep counts
“We have noticed that for each hour of sleep less, our cognitive capacities decrease by 0.67%, which is considerable” analyze the researchers. They also noted that not getting enough sleep (especially in seniors) could also lead to certain neurological diseases, such as Alzheimer’s.
Lack of sleep actually leads to the widening of certain blood vessels in our brain. Direct consequence: our cerebral blood pressure decreases and, therefore, our cognitive abilities are gradually reduced …
Problem: how long should we sleep each night to be sure not to jeopardize our brain capacities? “Although the optimal time for sleep varies from person to person, other studies have already shown that a minimum of 7 hours of sleep per night to feel rested, ”say the researchers.
Conclusion: in the evening, let go of the zappet and go to bed instead, in order to age in good health … and not too quickly.
And you, how many hours per night do you sleep? Do you think this is sufficient? We talk on the forum.
