Sleep Studies

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If a multiple sleep latency test (MSLT) is being done, you will need to stay at the sleep lab overnight and part of the next day. During this test, you will take naps every 2 hours beginning the morning after your nighttime sleep test. You will be given 20 minutes to fall asleep. If you take a nap, you will be woken up after 15 minutes. Between naps, you try to stay awake. The amount of time it takes for you to fall asleep for the naps and the sleep patterns during the naps will be recorded using most of the same equipment used during the polysomnographic studies.

Maintenance of wakefulness test (MWT)

If an MWT is done, you will need to stay at the sleep lab overnight and part of the next day. You will try to stay awake without napping during the day. The information will be recorded with most of the same equipment used during the polysomnographic study.

Portable sleep monitoring

If you will have portable sleep monitoring, your doctor will explain how to use the monitoring equipment at home. You will need to sleep with short tubes in your nose and a cap on your finger that connect to a small monitor. The monitor records information while you sleep, such as your breathing pattern and blood oxygen level. You may also wear a device that records sounds you make, and a band around a leg to check how often the leg moves while you sleep.

How It Feels

You will not feel pain during these tests. It may feel odd to be hooked to the sleep study equipment. The sleep lab technician understands that your sleep may not be the same as it is at home because of the equipment. Try to relax and make yourself as comfortable as possible.

After the test, you can shower and shampoo your hair to remove the glue from your body. Hair conditioner may help get the glue out of your hair.

Risks

Your skin may be red or itchy from the glue used with the electrodes. There are no other risks with sleep studies.

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