It depends on how well you want your brain to work
in the United States), that would amount to about 9,587.3 days. That’s one third of your life spent unconscious. From an evolutionary standpoint, sleep is quite literally a waste of your time, yet it’s fought its way through countless years of adaptation in nearly every living animal on Earth. So it must be important, right?
First, let’s talk about that eight hour figure that gets tossed around. It’s far from some arbitrary number. It’s truly the number of hours we naturally crave, and there are two pretty strong pieces of evidence for it. In a series of experiments, researchers took study participants into a laboratory with no sunlight or other visual cues and, at night, gave them a non-negotiable, nine-hour-long opportunity to sleep.
, one of the longest and deepest caves in the world—an environment completely void of sunlight. When they analyzed their sleep patterns, they found that they, too, slept about eight to eight and a half hours per night., of all or some of these recommended hours? It turns out, a lot.
The rest of the groups weren’t so far behind. While the group that received eight hours of sleep saw virtually no change to their cognitive performance throughout the two-week study, after just 10 days the participants that slept six hours each night were asas those suffering from a night of total sleep deprivation. And the group that got four hours? It only took them three days before they reached that same level of impairment.
France Dernières Nouvelles, France Actualités
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