Generally speaking, it is a normal phenomenon that the eyeballs are moving after falling asleep with the eyes closed, which is one of the manifestations of the REM sleep stage, and there may also be accelerated heart rate, shallower and faster breathing, and muscle relaxation during this stage. There is a stage of sleep called rapid eye movement sleep stage, this time the brain’s physiological electrical activity and the individual awake state of the brain electrical activity is very similar, the sleeper will appear in the eyes of the rapid left and right up and down this kind of movement, and will be accompanied by lifelike dream. In the sleep cycle, the first REM sleep stage is 5 to 10 minutes, after 90 minutes will enter the second REM sleep stage, and then will cycle, so it will feel like falling asleep with the eyes closed eyeballs moving. Generally speaking, it is a normal physiological phenomenon to fall asleep with eyes closed and moving, but if it is accompanied by sleep quality problems, early examination and treatment are needed.