Why is it harder to stay asleep when you go to bed at an earlier time than your normal bed time (i.e. 7pm rather than 11pm)?

Question

Why is it harder to stay asleep when you go to bed at an earlier time than your normal bed time (i.e. 7pm rather than 11pm)?

In: Other

Answer 1

Your brain loves patterns and expects them, adjusting the whole body function around established ones. Pattern is known and safe so it slowly starts to prep for sleep way before bedtime, anticipating rest but if you go before it may simply be not ready.

This is why sleep hygiene is important.