If sleeping is so essential, how come we cannot really control it?

Question

Like the way we can control our muscles, or the way we can hold back peeing. How come we cannot control to fall asleep or to wake up?

In: Biology

Answer 1

You can’t? 

Have you talked to your doctor about this? because I thought everyone just sorta does that thing after you close your eyes, you know, that squeezy feeling in the upper back middle of your head?