Knaph

Sleep

Each night we cycle through light sleep, deep sleep and REM (dreaming) sleep. Sleep helps memory, fighting infections and growth, and missing it slows us down like alcohol does - though its full purpose is still a mystery.

Depth 1 · Foundation

You can describe the kinds of sleep in a night, say what sleep is known to do, and explain what missing sleep does to reactions.

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Depths of understanding

  1. 1

    Foundation

    You can describe the kinds of sleep in a night, say what sleep is known to do, and explain what missing sleep does to reactions.