Q: What is an MWT?

A: An MWT is the Maintenance of Wakefulness Test. This test measures a person’s ability to stay awake and alert during different times throughout the day and under various circumstances. Some places of employment may require employees to pass this test, such as airlines for pilots and trucking companies for drivers. Also, it is required that a person who has sleep apnea pass this test in order to obtain a CDL driver’s license.





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