eli5: Why does waking up to an alarm make you much more tired in the morning rather than waking up naturally?

Question

I am tired 100% of the time I wake up for work even though I get 8 hours but on the weekends I don’t feel as tired at all.

In: Other

Answer 1

Because with an alarm you’re not waking up naturally, your body is being forced awake rather than you naturally waking up because your body knows you’ve had enough sleep