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The patient is asked to nap for 20 minutes, and then is awakened. The nap process is repeated every 2 hours for a total of four or five times. The patient must remain awake for the entirety of the 2 hours between nap opportunities. The patient may be asked to fill out a post-test questionnaire.
MSLT Scores Minutes Sleepiness 0–5: Severe 5–10: Troublesome 10–15: Manageable 15–20: Excellent A sleep onset latency of 0 to 5 minutes means severe sleep deprivation, 5 to 10 minutes is "troublesome", 10 to 15 minutes indicates a mild but "manageable" degree of sleep debt, and 15 to 20 minutes is indicative of "little or no" sleep debt.
The MSLT measures, by several nap opportunities in one day, how long it takes a person to fall asleep. It also determines whether REM sleep appears upon falling asleep. [2] [4] It is usually performed immediately after an overnight study. This test is the standard to test for narcolepsy and idiopathic hypersomnia. [5]
The clinical practice of behavioral sleep medicine applies behavioral and psychological treatment strategies to sleep disorders. [3] [12] BSM specialists provide clinical services including assessment and treatment of sleep disorders and co-occurring psychological symptoms and disorders, often in conjunction with pharmacotherapy and medical devices that may be prescribed by medical professionals.
The questionnaire was originally created with the intent to preserve the exact wording of the questionnaire to provide a standardized test and preserve its validity. Johns, the author of the ESS, recommends that the administrator of the questionnaire does not discuss the results of the test with the subject until it is completed, as it could ...
The SWAI has been compared to the multiple sleep latency test (MSLT), which is an objective measure that is considered the gold standard of sleepiness assessment; it measures sleep onset latency during several daytime opportunities. The SWAI-EDS has been found to correlate moderately to highly with average MSLT scores. [1]
A psychomotor vigilance task (PVT) is a sustained-attention, reaction-timed task that measures the consistency with which subjects respond to a visual stimulus.Research indicates increased sleep debt or sleep deficit correlates with deteriorated alertness, slower problem solving, declined psychomotor skills, and increased rate of false responses.
The 'multiple sleep latency test' (MSLT) is an objective tool which indicates the degree of sleepiness by measuring the sleep latency (i.e. the speed of falling asleep). [ 38 ] [ 39 ] It also gives information regarding the presence of abnormal REM sleep onset episodes. [ 38 ]