Sleeplessness and Circadian Rhythm Disorder Topic Guide
Sleeplessness and Circadian Rhythm Disorder: A person's circadian rhythm is an internal biological clock that regulates a variety of biological processes according to an approximate 24-hour period.
Insomnia Insomnia affects most people at some point in their lifetime. Insomnia is actually a symptoms of a condition, disease, or situation. Non-medical treatment of insomnia includes sleep hygiene, relaxation therapy, stimulus control, and sleep restriction. There are many medications that can be prescribed to a person with insomnia.