Why You Need Sleep
    Body & Brain

    Why You Need Sleep

    Brain takes out the trash. Memories move to long-term storage. Body heals. Skip it = pay later.

    We spend about ⅓ of our LIFE asleep. That seems wasteful! Why did evolution keep this? What's actually happening in there?

    Concepts you just met
    Glymphatic SystemSleep CyclesREMConsolidation