Sleep dysfunction

Sleep dysfunction is universal in ME/CFS patients, although it can take a very wide range of forms. These include dysania, hypersomnia, hypnagogia, insomnia, light sleep, myoclonus, nightmares, night sweats, phase shifting, somnolence, and unrefreshing sleep.

Symptom recgonition

 * In the Holmes criteria, sleep disturbance is an optional criteria for diagnosis, under the section Minor Symptom Criteria.

Treatment
Amitriptyline may be helpful for improving quality of sleep in individuals with CFS. While originally considered an antidepressant, it is also prescribed at low doses to specifically manage pain and sleep for a number of conditions.