How many hours do you have to sleep a day?

Recent studies have shown that sleeping little, much or badly increases the risk of developing senile dementia or Alzheimer's disease.The results obtained in more than 16,000 patients have indicated that both people who slept in excess (9 hours or more), such as those who had few hours of sleep (5 or less) each day developed an average of cognitive functions less than those who slept seven hours a day.

The nap is also a cause of risk of such diseases, Other studies indicate that 18% of people who used to take a nap on a regular basis show lower scores on tests of cognitive ability.

The fault of all this is amyloid plaques, structures that are toxins and harmful to nerve cells, but which are necessary for multiple activities not associated with Alzheimer's disease.A study published in the Archives of Neurology shows that when we sleep there is a great variation in amyloid concentrations a, reaching its maximum level at 9:00 p.m.and the minimum at 9 o'clock in the morning.However, when sleep hours are reduced to 6, this high variation does not occur.

Experts recommend, sleep between seven and eight hours to keep the levels of these structures stable at night and if you have trouble sleeping, here are some tips that you they will help you to better reconcile your dream, but be careful not to iron your ear too much !.

How many hours do you have to sleep a day?

If you have been interested in this article, you may want to Learn more about why it is necessary to sleep in the dark.

Image: Tim Norris

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