I have a problem swallowing my saliva when i'm asleep and also before i brush my tooth?

Saliva: How long this has been going on? It could be weakness of the muscles (central) or large tonsils or infection. You should see an ENT and be evaluated.

DDS-MD: This is not something that we can diagnose or make recommendations over the internet. You would need a face to face evaluation. I suggest that you see a dentist and perhaps a physician to see if they can help resolve your problem.