Chewing in your sleep (or even when awake), called Bruxism, is extremely common for many people in stress causing professions. eg probably many people here
Asking because that's what I went with, and for me it works well. Without it when I wake up I feel as if I've not slept all (very unrested), with it I can actually feel rested after sleep.
https://en.wikipedia.org/wiki/Bruxism
Did your dentist discuss getting a mouth guard/splint to wear at night?
https://en.wikipedia.org/wiki/Bruxism#Dental_guards_and_occl...
Asking because that's what I went with, and for me it works well. Without it when I wake up I feel as if I've not slept all (very unrested), with it I can actually feel rested after sleep.
That's only during stressful times though. ;)