Sleeping with clenched fists and all the nail marks are mainly physiological factors, such as the recent excessive mental stress, excessive anxiety, overwork and other causes, but also may be pathological factors, such as epilepsy, etc., need to consult a doctor in time, a clear diagnosis. 1. Physiological factors: due to too much pressure at work, excessive mental tension can put people in a tense state during sleep, making it difficult for them to relax, which is related to mental and psychological factors, as well as increased excitability caused by drinking coffee and cola before going to bed. 2. Pathological factors: common pathological factors include epilepsy, due to abnormal computer discharges, or due to electrolyte disorders, these symptoms also appear, need to consult a doctor in time to improve the examination. Life is too stressful, excessive mental tension is prone to physical discomfort, need to self-regulate when discomfort occurs, serious cases need to consult a doctor in a timely manner to avoid deterioration of the situation.