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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
5,026 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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Is AHI= 9.7 on a home sleep test really necessary to treat?

Is AHI= 9.7 on a home sleep test really necessary to treat?

Apnea Hypopnea Index: Apnea Hypopnea Index (AHI) is # of apneas / hypopneas recorded per hour sleep with a polysomnogram. Here is an obstructive sleep apnea classification: None/Minimal: AHI < 5 per hour, Mild: AHI ≥ 5, but < 15 per hour, Moderate: AHI ≥ 15, but < 30 per hour & Severe: AHI ≥ 30 per hour. I am not a sleep medicine specialist but here is article entitled " Mild Obstructive Sleep Apnea Syndrome Should - ...Read more

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What are the main tests performed during a sleep study?

What are the main tests performed during a sleep study?

12 or more possible: The main tests performed during a sleep study include sleep stages, body position, microarousals, leg movement, heart rate, how many times breathing stops or air flow is reduced, blood oxygen level, snoring, chest & abdomen movement. A sleep study is the only way to determine if one has sleep apnea. Treatment usually involves an oral appliance, CPAP maching or surgery. ...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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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

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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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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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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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Using 5mg time released melatonin nightly for sleep for months now, its starting to not work as good. Now what, increase it? All tests are normal.

Using 5mg time released melatonin nightly for sleep for months now, its starting to not work as good. Now what, increase it? All tests are normal.

Melatonin: Melatonin at doses higher than 3 mg have not shown more efficacy, understand the stressors and please look into short term Ambien (zolpidem) like meds or cbti is best. ...Read more

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What are the tests for sleep disturbance?

What are the tests for sleep disturbance?

Polysomnogram: A sleep study is called a polysomnogram and it assesses breathing patterns, arousals, oxygenation, stage of sleep and airflow. The most common sleep disturbances can be diagnosed this way. Specialized studies are needed for narcolepsy and insomnia. ...Read more

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I need 9.5 hrs of sleep to function but blood tests are normal. What could be wrong with me?

I need 9.5 hrs of sleep to function but blood tests are normal. What could be wrong with me?

Depends -variousneed: Infants need 14-15 hrs, toddlers 12-14, children 10-11, adults need 7-9 hrs
if you had sleep deprivation your needs will be higher also if you do not get enough dream sleep REM sleep you do not get effective sleep. Holistic perspective if there is problems with gall bladder this will interfere with sleep have this checked out. ...Read more

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My daughter is 1 and had a sleep study done they wanted to admit her right after the test was done. Should I be worried?

My daughter is 1 and had a sleep study done they wanted to admit her right after the test was done. Should I be worried?

I'd worry more if: Her symptoms had not been assessed & addressed appropriately. Close monitoring & diagnostic studies to determine the cause of her symptoms & the abnormalities found on her sleep study offer the best possible chance of finding effective treatment & keep her as safe as possible. Favorite toys & comfort items + your consistent care & positive attitude will greatly reduce her anxiety. ...Read more

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Me and my boyfriend both got tested for herpes after sleeping with each other. His test came back positive and mine came back negative. How?

Me and my boyfriend both got tested for herpes after sleeping with each other. His test came back positive and mine came back negative. How?

This is very common: When one person in a couple has genital herpes due to type 2 herpes simplex virus (HSV2), It's transmitted less than once for every 100 episodes of unproteced vaginal sex, maybe only 1 in 1, 000. Even lower for HSV1. So it's very common for one person to test positive (from a past relationship) and the other to be negative. Speak together with doctor about how to prevent future transmission. ...Read more

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My ex used to soak with sweat while sleep- no other sympthoms- can it be aids? - which tests should I take because of him? - im worried please help

My ex used to soak with sweat while sleep- no other sympthoms- can it be aids? - which tests should I take because of him? - im worried please help

Anxiety: She needs a TLC. Is state of tension, apprehension, worry, uneasiness or fear. It may be related to anticipated danger or arise for no apparent reason. While mild episodes of anxiety are common and do not usually require treatment, more severe forms can be chronic and debilitating. Symptoms of severe anxiety: insomnia, chest pain, shortness of breath, nausea, palpitations, tremors, and sweat. ...Read more

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