What cause morning breath?

What cause morning breath?
Digestive juices affect your breath because you haven't eat. That acid stuff? Smells approaching crap. Chew some gum : )
Bacteria
germs building up in u mouth over dark
consuming and secreting adjectives nite long
Build up of bacteria over the hours of darkness. That's why you wake up every morning beside bad breath.
Bacteria.
Specifically, germs eating bits of food vanished in your mouth (even if you brush) and the excreting. For material.
Morning breath is caused by the microbes in your mouth collecting over dark. We generally don't swallow much contained by our sleep, so all those little critters newly get to suspend out and start smelling until we wake up and do something more or less it.