Why we sleep, for a
curious 4-year-old.
Body doing its
'nighttime tidying
up' — makes bedtime
feel important.

Explain Why We Have to Sleep, for a Curious 4-Year-Old

Why bedtime isn't unfair — it's the body's nighttime tidying-up.

Prompt

Explain why we have to sleep to a curious 4-year-old using a simple idea — like the body doing its 'nighttime tidying up' — that makes bedtime feel important instead of unfair.