Morning breath is a problem that many people suffer from. One expert has said that about 35% of people have it all of the time and about 35% have it some of the time.
All told, that is about 70% of people that either have morning breath some of the time or all of the time.
I suspect there is more because what we eat before going to bed - particularly if we don't brush, could have an effect all by itself.
Most bad breath is caused by anaerobic sulfur compound producing bacteria in the folds of the tongue and back of the throat. If if you want to get rid of morning breath then you will need to pay close attention to this article on: getting rid of morning breath
The good news is that you can do something about it. Many people think it is just a part of life and put up with it. How much better would your morning be if you didn't have it or your significant other didn't have it. Click the link above to read more.