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Doctor insights on: Multiple Sleep Latency Test

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What can a multiple sleep latency test diagnose?

What can a multiple sleep latency test diagnose?

Excessive sleepiness: A multiple sleep latency test (mslt) is also referred to as the "nap study". It is strictly for diagnosing narcolepsy with or without cataplexy and idiopathic hypersomnia ... Essentially, this test allows us (sleep physicians) to see objectively how sleepy a person truly is by calculating the time one falls asleep during 5 naps spread throughout the day. It should be preceded by a night study. ...Read more

Dr. Heidi Fowler
4,799 doctors shared insights

Sleep (Definition)

Sleep is a topic that involves concepts such as how long it takes to fall asleep, how many times one wakes up at night, how many hours one sleeps at night, sleep stages, ...Read more


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28wks pregnant. Ob ordered sleep study. I haven't gotten results but sleep dr is ordering a multiple sleep latency test. Why? Cant i be just tired?

28wks pregnant. Ob ordered sleep study. I haven't gotten results but sleep dr is ordering a multiple sleep latency test. Why? Cant i be just tired?

Prevention: Not being able to sleep may indicated sleep problems that can be life shortening or life threatening. The only way to know if there are serious problems is with an overnight sleep test. I encourage you to seek help. ...Read more

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Living with Multiple Sclerosis (Checklist)

Prevent falls in the home by removing throw rugs, adding grab bars
Once
Stay cool, avoid being overheated
Once
Drink plenty of water
Once
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I didn't get much sleep last night or before and I have a sleep study test tonight. Will it effect results?

I didn't get much sleep last night or before and I have a sleep study test tonight. Will it effect results?

Maybe: Let the technician know what happened... Or consider giving them a call in case they would like to reschedule you... ...Read more

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What to do if i had a sleep test done, i stop breathing 149 times per hour. How common is that?

What to do if i had a sleep test done, i stop breathing 149 times per hour. How common is that?

No: That would be an ahi of about 15, indicating a mild/moderate level of obstructive sleep apnea. This is a serious life threatening or life shortening condition that can prematurely cause death. Not common and not to br ignored. Seek professional help asap! ...Read more

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Sleeping Better (Checklist)

Go to bed at the same time every day
Once
Wake up at the same time every day
daily
Don't drink alcohol before bedtime
daily
Use your bed only for sleep (and sex)
Daily
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Acth stim test coming up. my sleep sched is different than most--i sleep 5am-2pm each day. so what time should they do my test?

Acth stim test coming up. my sleep sched is different than most--i sleep 5am-2pm each day. so what time should they do my test?

Won't matter: It should not matter. Although your circadian rhythm will affect the baseline cortisol, ACTH should stimulate it regardless of the time of day. If cortisol goes up to 20 or more, you are fine. ...Read more

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What are good ways to test yourself for sleep deprivation?

What are good ways to test yourself for sleep deprivation?

Sleep deprived: When you are sleep deprived you feel tired, sleepy, drowsy, having headache, lack of motivation, unable to concentrate, frequently forgetting things, unable to stay attentive, then you will be irretable and not interested in talking or social life. ...Read more

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Living with Sleep Apnea (Checklist)

Use your CPAP regularly
Once
Get 7-8 hours of sleep nightly
daily
Don't drink alcohol
Once
Never drive sleepy
Once
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Going for a sleep study test tonight. what can they diagnose with an overnight test?

Going for a sleep study test tonight. what can they diagnose with an overnight test?

For starters:: restless legs syndrome, sleep apnea, REM behavioral disorder, nocturnal bruxism, and sometimes seizures. So many things to look for, but overall, hopefully they can find something that can be treated and offer you assistance. ...Read more