Sometimes my jaw get's really sore for no apparent reason...sometimes I think it may be my sleeping in a certain way, or grinding my teeth at night..I'll have this pain on the left side of my jaw when I eat, it will be really tender, and then i kind of have to baby it for a few days until the pain goes away..it's a recurring thing, but I think it may be due to some habit i do on occasion in my sleep...I dont really know..This time it's pretty bad. Most likley also a factor that I've had some insomnia reciently.. I hit my jaw mountain biking about 3 years or so ago..and it's always been kinda not quite "flow" when i open my mouth (it's hard to explain)..I've never thought it a big thing, since it really dosen't cause me any trouble..except for ..well now..and a few months ago. Annyways, this has been quite the paragraph on my jaw bone, I was just hoping someone could inform me about whats going on, or if anyone has had this happen to them, share some ways of how to prevent it happening? Any more info would be awesome.. thanks.