Mystery #2Tier 2brain / dreams
Why does your mind play whole made-up films while you sleep?
Every night, with your eyes shut and your body still, your mind puts on a show. Whole made-up films play out: sometimes so real you wake with your heart pounding, sometimes so silly you laugh about them at breakfast. You did not choose to make them and you cannot control them. So why does your brain bother dreaming at all?
Your guess
What is your hunch: why does your brain make dreams?
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