SLEEP DISORDER CENTER

 
"FOR A GOOD NIGHT SLEEP"

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MWT

 

Maintenance of Wakefulness Test

The maintenance of wakefulness test is given during the daytime. The MWT usually follows an all-night sleep study. The MWT consists of a series of 40-minute naps, during which the patient tries to stay awake. The test is given every two hours throughout the day, with each trial lasting about 40 minutes. During each nap, sensors and electrodes record data on body functions (EEG, heartbeat, breathing, etc.)

If you are scheduled for an MWT test following your all-night sleep study, please bring something to read, work on or watch during the day to help keep you occupied between nap periods. In order for the testing to be accurate, patients must remain awake between naps.  Please feel free to bring a Lap Top Computer or DVD player and videos to watch in-between naps. The MWT testing is usually completed between 5:00 and 5:30 p.m. on the day following the all-night sleep study.