Insomnia cannot be considered as staying up late, because insomnia is a symptom that patients have difficulty falling asleep, waking up easily after sleeping or waking up early, patients want to fall asleep but have no way to fall asleep and are relatively sleep deprived, while staying up late means that patients do not go to sleep late at night, either because of work or emotional problems, or because of bad lifestyle such as playing games, patients deliberately do not go to sleep. The common cause of insomnia is caused by plant nerve dysfunction, the patient may have psycho-psychological factors, such as because of anxiety and depression, will also lead to the symptoms of insomnia, treatment is mainly to give sleeping pills to improve sleep. Insomnia is unable to sleep, and people who stay up late are sleepy and cannot sleep, to finish their work or stay up late to study or play games.