Sleep
Sleep Spindles
Sleep spindles are brief bursts of brain activity during N2 linked to memory processing and sensory gating—essentially keeping you asleep while the brain sorts the day. Density varies with age, sleep debt, and learning load.
Sleep spindles are brief bursts of brain activity during N2 linked to memory processing and sensory gating—essentially keeping you asleep while the brain sorts the day. Density varies with age, sleep debt, and learning load.
Too little spindle-rich N2 can follow fragmented nights.
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