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Morning breath - the smell of excreta and dead bacteria
In the mouth, a man more bacteria than people on Earth. And yes, they eat continuously multiply, produce waste, die and decompose. And the consequences of their violent life activity in the morning you will smell sweet.
There is nothing impossible to do: morning breath is unpleasant for all people without exception, no matter how many times they do not brush their teeth at night. While you sleep, saliva production slows down and it is not enough for you to wash as effectively malodorous compounds as day.
Here are some of the components of the aroma of the morning: cadaverine (the smell of a corpse), hydrogen sulfide (rotten egg smell), isovaleric acid (smell of sweaty feet), methyl mercaptan (smell of excrement), putrescine (the smell of rotting meat) and trimethylamine (the smell of rotting fish). All these smells left on the memory microorganisms had time good fun in your mouth while you are sleeping.
via factroom.ru