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Encyclopedia > Excessive daytime sleepiness
Hypersomnia
Classifications and external resources
ICD-10 F51.1, G47.1
ICD-9 291.82, 292.85, 307.43-307.44, 327.1, 780.53-780.54

Hypersomnia, also known as excessive daytime sleepiness (EDS), is excessive amount of sleepiness. The International Statistical Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) is a detailed description of known diseases and injuries. ... The following codes are used with International Statistical Classification of Diseases and Related Health Problems. ... // F00-F99 - Mental and behavioural disorders (F00-F09) Organic, including symptomatic, mental disorders (F00) Dementia in Alzheimers disease (F01) Vascular dementia (F011) Multi-infarct dementia (F02) Dementia in other diseases classified elsewhere (F020) Dementia in Picks disease (F021) Dementia in Creutzfeldt-Jakob disease (F022) Dementia in Huntingtons... // G00-G99 - Diseases of the nervous system (G00-G09) Inflammatory diseases of the central nervous system (G00) Bacterial meningitis, not elsewhere classified (G01) Meningitis in bacterial diseases classified elsewhere (G02) Meningitis in other infectious and parasitic diseases classified elsewhere (G03) Meningitis due to other and unspecified causes (G04) Encephalitis, myelitis... The International Statistical Classification of Diseases and Related Health Problems (commonly known by the abbreviation ICD) is a detailed description of known diseases and injuries. ... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... Somnolence (or drowsiness, or hypersomnia) is a state of near-sleep, a strong desire for sleep, or sleeping unusually long periods. ...



Hypersomnia is characterized by recurrent episodes of excessive daytime sleepiness or prolonged nighttime sleep. Different from feeling tired due to lack of or interrupted sleep at night, persons with hypersomnia are compelled to nap repeatedly during the day, often at inappropriate times such as at work, during a meal, or in conversation. These daytime naps usually provide no relief from symptoms. Patients often have difficulty waking from a long sleep, and may feel disoriented. Other symptoms may include anxiety, increased irritation, decreased energy, restlessness, slow thinking, slow speech, loss of appetite, hallucinations, and memory difficulty. Some patients lose the ability to function in family, social, occupational, or other settings. Hypersomnia may be caused by another sleep disorder (such as narcolepsy or sleep apnea), dysfunction of the autonomic nervous system, or drug or alcohol abuse. In some cases it results from a physical problem, such as a tumor, head trauma, or injury to the central nervous system. Certain medications, or medicine withdrawal, may also cause hypersomnia. Medical conditions including multiple sclerosis, depression, encephalitis, epilepsy, or obesity may contribute to the disorder. Some people appear to have a genetic predisposition to hypersomnia; in others, there is no known cause. Hypersomnia typically affects adolescents and young adults.

Contents

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Diagnosis

A specialist may administer the Epworth sleepiness test to determine the extent of hypersomnia in a patient. A self test is available at THE EPWORTH SLEEPINESS SCALE. An adult is considered to have hypersomnia if he or she sleeps more than 10 hours per day on a regular basis for at least two weeks[citation needed].

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Causes

Hypersomnia can be caused by genetics (heredity), brain damage, and disorders such as clinical depression and fibromyalgia. Hypersomnia can also be a symptom of other sleep disorders such as narcolepsy, sleep apnea, and restless leg syndrome. Genetics (from the Greek genno γεννώ= give birth) is the science of genes, heredity, and the variation of organisms. ... Brain damage or brain injury is the destruction or degeneration of brain cells. ... Clinical depression (also called severe depression disorder, major depression disorder) is a state of intense sadness, melancholia or despair that has advanced to the point of being disruptive to an individuals social functioning and/or activities of daily living. ... Fibromyalgia (FM or FMS) is a debilitating chronic syndrome (constellation of signs and symptoms) characterized by diffuse or specific muscle, joint, or bone pain, fatigue, and a wide range of other symptoms. ... Narcolepsy is a neurological condition most characterized by Excessive Daytime Sleepiness (EDS), episodes of sleep and disorder of REM or rapid eye movement sleep. ... Sleep apnea (alternatively sleep apnoea) is a common sleep disorder characterized by brief interruptions of breathing during sleep. ... Wittmaack-Ekbom or restless legs syndrome is a disorder of the nervous system that affects sensation and movement in the legs and causes the limbs to feel uncomfortable. ...


People who are overweight may be more likely to suffer from hypersomnia. This can often exacerbate weight problems as excessive sleeping decreases metabolic energy consumption, making weight loss more difficult. The term overweight is generally used to indicate that a human (or other mammal) has more body fat than is typical or required for the normal functioning of the body. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...


Another possible cause is an infection of mononucleosis, as several instances of idiopathic hypersomnia have been found to arise immediately after such an infection (Dr. Givan, MD, Riley Hospital). Infectious mononucleosis (also known as mono, the kissing disease, Pfeiffers disease, and, in British English, glandular fever) is a disease seen most commonly in adolescents and young adults, characterized by fever, sore throat and fatigue. ... Idiopathic is a medical adjective that indicates that a recognized cause has not yet been established. ... James Whitcomb Riley Hospital for Children is a childrens hospital in Indianapolis, Indiana, USA. It is named for James Whitcomb Riley, a writer and poet who lived in Indiana. ...


In some instances, the cause of the hypersomnia cannot be determined; in these cases, it is said to be idiopathic hypersomnia.

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Treatment

Is there any treatment?



Treatment is symptomatic in nature. Stimulants, such as amphetamine, methylphenidate, and modafinil, may be prescribed. Other drugs used to treat hypersomnia include clonidine, levodopa, bromocriptine, antidepressants, and monoamine oxidase inhibitors. Changes in behavior (for example avoiding night work and social activities that delay bed time) and diet may offer some relief. Patients should avoid alcohol and caffeine.

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See also

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Kleine-Levin Syndrome, or KLS, is a rare sleep disorder characterized by episodes of near-constant sleep and altered behavior. ... Reticular formation is a part of the brain which is involved in stereotypical actions, such as walking, sleeping, and lying down. ... Somnolence (or drowsiness, or hypersomnia) is a state of near-sleep, a strong desire for sleep, or sleeping unusually long periods. ...

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