Insomnia
From The Art and Popular Culture Encyclopedia
"For a long time I went to bed early" -- incipit of Marcel Proust's In Search of Lost Time |
Related e |
Featured: |
Insomnia, or sleeplessness, is a sleep disorder in which there is an inability to fall asleep or to stay asleep as long as desired.
Insomnia is most often thought of as both a medical sign and a symptom that can accompany several sleep, medical, and psychiatric disorders characterized by a persistent difficulty falling asleep and/or staying asleep or sleep of poor quality. Insomnia is typically followed by functional impairment while awake. Insomnia can occur at any age, but it is particularly common in the elderly. Insomnia can be short term (up to three weeks) or long term (above 3–4 weeks), which can lead to memory problems, depression, irritability and an increased risk of heart disease and automobile related accidents.
Those who are having trouble sleeping sometimes turn to sleeping pills, which can help when used occasionally but may lead to substance dependence or addiction if used regularly for an extended period.
Insomnia can be grouped into primary and secondary, or comorbid, insomnia. Primary insomnia is a sleep disorder not attributable to a medical, psychiatric, or environmental cause. It is described as a complaint of prolonged sleep onset latency, disturbance of sleep maintenance, or the experience of non-refreshing sleep. A complete diagnosis will differentiate between free-standing primary insomnia, insomnia as secondary to another condition, and primary insomnia co-morbid with one or more conditions.
See also
- Al Herpin, American insomniac, known as the "Man Who Never Slept"
- Actigraphy
- Fatal familial insomnia
- Hypnophobia
- Sleep deprivation
- Thai Ngoc, Vietnamese insomniac, claimed to be awake for 33 years