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Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals on one day. The test is based on the idea that the sleepier people are, the faster they will fall asleep. [15] [16] The Maintenance of Wakefulness Test (MWT) is also used to quantitatively assess daytime sleepiness. This ...
They informally called the 0–5 minute range the twilight zone due to its indication of extreme physical and mental impairment. As an objective measure of daytime sleepiness, the MSLT quickly found additional applications in sleep research, quantifying changes in daytime wakefulness following hypnotic drugs, [ 6 ] shifted sleep schedules, [ 7 ...
The International Classification of Diseases (ICD-9-CM and ICD-10-CM) codes corresponding to each specific diagnosis can be found within the ICSD-3. [5] Furthermore, pediatric diagnoses are not distinguished from adult diagnoses except for sleep-related breathing disorders. [8]
The axial system uses International Classification of Diseases (ICD-9- CM) coding wherever possible. Additional codes are included for procedures and physical signs of particular interest to sleep disorders clinicians and researchers. Diagnoses and procedures are listed and coded on three main "axes." The axial system is arranged as follows: [16]
It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, [1] the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of other health problems. It can be accompanied by lethargy, weakness and lack of mental agility. [2]
Hypersomnia is a neurological disorder of excessive time spent sleeping or excessive sleepiness.It can have many possible causes (such as seasonal affective disorder) and can cause distress and problems with functioning. [1]
This is life with narcolepsy, which can be triggered by an infection or the flu. Imagine repeatedly falling asleep or falling down paralyzed when laughing or startled. This is life with narcolepsy ...
Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. [1] The pentad symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. [1]