Is insomnia a mental illness?
Insomnia is caused by difficulty falling asleep, difficulty staying asleep or waking up too early in the morning. Insomnia is rarely an isolated medical or mental illness but rather a symptom of another illness to be investigated by a person and their medical doctors. Is insomnia neurological or psychiatric? Patients with neurologic disorders commonly experience sleep dysfunction and psychiatric disorders. The most common sleep dysfunction is insomnia, which is a primary symptom in 30% to 90% of psychiatric disorders.