• A person can go 40 days without eating but only 264 hours and 12 minutes awake

Although scientists disagree on daily hours are necessary to sleepeveryone agrees that it is essential. In fact, you can go longer without eating than without sleeping: in general, a person can be 40 days without eating and the maximum time that a person could be without sleep it would be around 264 hours and 12 minutesthat is, the 11 days.

without sleeping One night does not have to have serious consequences for the body, although it will have obvious consequences throughout the day: sleep at all hours, decreased reaction capacity, mood swings, anxiety or irritability, for example. In isolated cases, it causes a sensation of pain.

If the person has cardiovascular problems, the coronary risk rises. Also, lack of sleep can affect the way you process glucose, which can lead to high blood sugar levels and eventually lead to diabetes or weight gain.


Finally, to sleep comfortably you must meet certain requirements. To fall asleep, you have to lie down in a previously ordered room, which is completely dark (or use a mask), in silence and at a temperature that, above all, is not excessive. With environmental heat it is more difficult to sleep than if you spend a little coldaccording to scholars on the subject.

Once in bed, the best sleeping position is on your side, according to various studies, including those of the neuroscientist Tara Swart, who ensures that resting in that position is «more efficient for the glymphatic cleaning of the brain during the night». The glymphatic system is in charge of cleaning the waste and residues that leak from the blood vessels and the central nervous system in general.


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In addition, sleeping on your side reduces the risk of suffering lumbar and neck painit facilitates breathing – thus avoiding snoring and apnea during sleep – and improves digestion (if you sleep on your left side, since your stomach is on that side).

If the side chosen is the left, in addition, the obstruction of the aorta artery, which pumps blood to the entire circulatory system, will also be prevented, and the inferior vena cava will be released, which will facilitate the return of blood back to the heart .