What are the symptoms of chronic fatigue syndrome?

The main symptoms of chronic fatigue syndrome, according to the definition of chronic fatigue syndrome, mainly include physical fatigue and mental fatigue. Therefore, according to the 1994 CDC diagnostic criteria for chronic fatigue syndrome, the main symptoms include severe fatigue of unknown origin or repeated attacks. This fatigue is not relieved after rest and can last for six months to more. This can be accompanied by myalgia. In terms of mental fatigue, this patient is accompanied by a loss of concentration and learning ability, followed by insomnia and severe sleep disorders. Therefore, patients should try to rest and reduce stress.