How do animals fall asleep so quickly?

Question

Obviously, my cat doesn’t watch TikTok, but there must be some things that keep it up at night.
No cows are hooked on melatonin.

In: Biology

Answer 1

Animals don’t sleep at a fixed time. They sleep when they get tired and are exhausted.

Most humans go to sleep when it’s their bedtime so we are trying to force our sleep when our body isn’t ready for it. Adding to that, the artificial lights messes up the sleep cycle.