Main Facts Sleep is a fundamental human necessity, yet our perception of it often remains a profound mystery. While advanced scientific instruments can objectively measure brain activity during sleep, our subjective experience – how deeply we feel we’ve slept – frequently diverges from these empirical readings. This disconnect is particularly
Unveiling the Enigma of Deep Sleep: Why We Often Misjudge Our Rest
MAIN FACTS Sleep is a fundamental human need, yet our subjective experience of it often stands in stark contrast to objective scientific measurements. While polysomnography, the gold standard for sleep assessment, can meticulously map brain activity, eye movements, and muscle tone, the profound sensation of "feeling deeply asleep" has rem
