At least it aint after sexxx
tape some tissue to your face before you go to bed.
Nothing. It does not matter.
What would you want to do about it?
Sometimes we cry in our sleep, because we are having sad dreams. Dreams are how we deal with what we don't deal with while we are awake. When you cry, you are relieving the sorrow and anxiety of something that you are not dealing in your waking life. Try to figure out what is making you cry in your sleep. Maybe that will help you stop.