What happens when an adult falls asleep and scratches his hands?

Adults falling asleep and scratching their hands may be a normal physiological situation, but it cannot be ruled out that it is caused by excessive alcohol consumption, mental illness, Parkinson’s syndrome and other conditions.
1. Normal physiological situation: in the process of entering deep sleep, may dream, then there may be falling asleep hand scratching behavior, if there is no sleepwalking, generally do not need special intervention.
2. Excessive alcohol consumption: if excessive alcohol consumption, may be too excited, confused consciousness, then it is easier to appear in adults falling asleep and scratching.
3. Mental illness: psychiatric patients are often accompanied by sleep disorders, falling asleep and scratching, while patients may also have delirium and audio-visual hallucinations.
4. Parkinson’s syndrome: Parkinson’s syndrome will have non-motor symptoms, can appear rapid eye movement sleep behavior disorder, can be manifested as falling asleep hand scratching symptoms.
If you fall asleep and scratch, you need to go to the hospital to avoid the development of the disease and delay treatment.