If your sleep habits are uneven you may be clenching and grinding. Try a night guard either from your dental provider or over the counter one at drug store. It may help tremendously

I use my tongue at the back of jaw almost through to throte . I allow it to rest on the higher spots. They seem to go down then.throbbing will stop .sinuses are at the top near jaw above.

Definitely get a mouth guard for sleeping. Get the kind that you heat up and mold to your teeth. You're probably clenching your jaw or grinding your teeth while you sleep

sometimes I get an ache in my face even my teeth, a lot like a bad case of the flu.

Yes you can have a bite raiser made by your dentist it helps to take pressure off of the jaw joint,is kind of like a gum shield. I use one at night.stops you grinding and clenching your teeth.I have TMJ also was given mouth exercises to do several times a day your dentist or physiotherapist may be able to give you a sheet with these on.