Need help pls How may dreaming help the nervous system?

Dreams help the brain sort memories.

Dreaming is the only time the brain stops working.

Dreams are the brain’s way of fighting infection.

Nerves only regrow when someone dreams.

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Death by starvation.

Iam not seeing a graph in order to give the correct answer