Posted by Angi on March 01, 2000 at 06:41:56:

In Reply to: Re: Sleeping too heavily ... but still tired??? posted by wendy on February 29, 2000 at 18:04:21:

Wendy -

I am taking 200 mg/ day of Provigil. Provigil is used to treat the excessive daytime sleepiness associated with narcolepsy and other hypersomnias.

If this looks too long, skip to the last paragraph.

I had 2 sleep studies done. The first I had a nighttime study and a MSLT (daytime study). The second time I had the same nighttime study and MSLT, but they also did a MWT.

Side note: A nighttime study just measures what happens when you sleep at night. The MSLT (Multiple Sleep Latency Test) measures how "sleepy" you are, by measuring how long it takes you to fall asleep, when told to take a nap. The MWT (Multiple Wakefulness Test) measures your ability to stay awake. They leave you in a dark room, and you are to try to stay awake the entire time (40 minutes), they repeat this test 4 -5 times.

Although my nightime tests and my MSLTs both came back average, my MWT came back that I can't stay awake. (The Doc said he had never had anyone fall asleep durning the MWT and I fell asleep within 17 minutes on most of them)

Using this information, and my description of what goes on with me the Doc said that I have a type "hypersomnia". He said that I definately qualify for the "long sleeper" catagory (and that is a real sleep disorder, but not all that common) and he thinks I also have something called Subwakefulness Syndrome (It is very rare, around 50 documented cases).

What sleep studies did your doctor do? Just the nighttime or did they do a MSLT as well?

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