Your Brain Doesn't Switch Off When You Sleep
During sleep, the brain replays, sorts, and strengthens everything you learned that day. Here's the evidence.
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During sleep, the brain replays, sorts, and strengthens everything you learned that day. Here's the evidence.
REM isn't just dreaming. It's when the brain makes meaning from the day's experiences.
Chronically under-slept people consistently overestimate their cognitive performance. The data is stark.
During deep sleep, cerebral fluid flushes out the metabolic waste that accumulates during waking hours.
Not all naps are equal. A 20-minute nap and a 90-minute nap do entirely different things to your brain.
The default mode network activates during rest and mind-wandering. Far from wasted time, it's when the brain does its deepest work.