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Another tool is the Multiple Sleep Latency Test (MSLT), which has been used since the 1970s. It is used to measure the time it takes from the start of a daytime nap period to the first signs of sleep, called sleep latency. Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals ...
It is measured by assessing eight factors, five related to nocturnal sleep and three related to daytime dysfunction. These are rated on a 0–3 scale and tabulated into a cumulative score. A score of 6 or higher is used to establish the diagnosis of insomnia.
The Multiple Sleep Latency Test (MSLT) is a sleep disorder diagnostic tool. It is used to measure the time elapsed from the start of a daytime nap period to the first signs of sleep, called sleep latency. The test is based on the idea that the sleepier people are, the faster they will fall asleep.
Individuals with IH share common symptoms including excessive daytime sleepiness, sleep inertia, brain fog, and long sleep periods. [10] [11] [12]Excessive daytime sleepiness, characterized by persistent sleepiness throughout the day and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep.
Generally, diseases outlined within the ICD-10 codes G47 within Chapter VI: Diseases of the nervous system should be included in this category. This category is for articles pertaining to sleep disorders and their treatment.
It is crucial to aim for objective measures to quantify the sleepiness. A good measurement tool is the multiple sleep latency test (MSLT). It assesses the sleep onset latency during the course of one day—often from 8:00 to 16:00. [10] An average sleep onset latency of less than 5 minutes is an indication of pathological sleepiness. [11]
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.
For the excessive daytime sleepiness subscale (SWAI-EDS), a score of 40 or below indicates excessive sleepiness, a score of between 40 and 50 indicates possible sleepiness and a score of greater than 50 is normal. A short form of the SWAI exists that contains items for the excessive daytime sleepiness and nocturnal sleep subscales only.