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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
5,051 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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Sleeping Better (Checklist)

Go to sleep 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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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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Living with Multiple Sclerosis (Checklist)

Prevent falls in the home by removing throw rugs and adding grab bars
Once
Stay cool to avoid becoming overheated
Once
Drink plenty of water
Once
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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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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 when you're 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

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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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I feel drowsy however much sleep I get. Also throught the day I feel my head tense and I cannot relax. What could the problems revield by tests?

I feel drowsy however much sleep I get. Also throught the day I feel my head tense and I cannot relax. What could the problems revield by tests?

Many possibilities: There are a lot of potential causes of your symptoms. It can vary from simple stress to sleep apnea. Because sleep is very important, you should see your doctor for these issues. ...Read more

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Its difficult 4 me 2 getup in morning no matter watever time I sleep in night. I feel terrible after getting up for almost 2 hr. All blood test r normal?

Its difficult 4 me 2 getup in morning no matter watever time I sleep in night. I feel terrible after getting up for almost 2 hr. All blood test r normal?

Cortisol levels?: Please ask your doc to check your cortisol levels. There is a test that is done using saliva samples at 4 different times during the day. This will tell you when your cortisol is high and low. Yours may be too low in the morning when it is supposed to be high. There are natural ways to increase this. If you can find a doc who does natural medicine, he or she will be most familiar with this. ...Read more

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I've a sleep test appointment today and I was told not to drink coffee all day but I forgot and had a cup. Should I postpone the sleep test or still go?

I've a sleep test appointment today and I was told not to drink coffee all day but I forgot and had a cup. Should I postpone the sleep test or still go?

Go: Caffeine may contaminate the results slightly, but given its short time to elimination from the body, more likely your sleep study will be unchanged. Don't have any more caffeine, and you ought to get good, reliable results. Good luck! ...Read more

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How do you fail a sleep apnea test?

How do you fail a sleep apnea test?

See response: Not sure what is meant by failing sleep apnea test; i.e., does that imply that apnea showed up on nocturnal study, or that you were unable to sleep and the study was inadequate? A sleep specialist can provide both guidance and assistance. ...Read more

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Can sleep apnea tests ever be wrong?

Can sleep apnea tests ever be wrong?

Yes, it's possible: Most attended sleep studies (where you spend the night at a sleep center) are very accurate. The take-home types of study are helpful for screening, but not nearly as much data or accuracy. That being said, all sleep studies are flawed to some extent as we do sleep differently on different nights. Repeat studies are the best, but at additonal time and expense. ...Read more

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How can you get a sleep apnea test done?

Sleep MD or DDS: Sleep testing for osa can be done either in a sleep center or at home. There are sleep medicine specialists, also called sleep physicians. Valid home sleep, studies can be arranged and conducted in the privacy of your own bedroom. Dentists involved with snoring can arrange a home test as well, and the tests are interpreted by a sleep physician. Ask your md or dds for a referral or a home test. ...Read more

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Are an EEG test and a sleep study test different?

Yes: Eeg records brain activity alone (save for one lead to record the heart), while sleep studies also record leg movement, breathing, oxygen levels. ...Read more

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What should I do while I wait for my sleep apnea test results?

What should I do while I wait for my sleep apnea test results?

Sleep Apnea: Best thing would be to focus on diet and exercise
every 1 pound weight loss reduces the ahi or sleep apnea severity score
you can educate yourself about sleep apnea and options for treatment but wait for the confirmation before you start exploring treatment options. ...Read more