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Doctor insights on: What Is The Difference Between Partial And Full Arousals From Sleep

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What is the difference between partial and full arousals from sleep?

What is the difference between partial and full arousals from sleep?

Alert?: The brain wave patterns recorded during a sleep study will in part define the partial/full arousal. Wakefulness pattern > 30 sec long: full arousal, wakefullness pattern < 30 sec: partial arousal (microarousal). Microarousals are not felt as awakening by the patient. You may be aware, if you wake up > 30sec. ...Read more

Dr. Heidi Fowler
4,884 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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What to do if I have a strange sleep behaviour! (confusional arousals)help!?

What to do if I have a strange sleep behaviour! (confusional arousals)help!?

Sleep Arousal D/O: Sleep Arousal Disorder - recommend consultation with a sleep medicine specialist. ...Read more

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Hello mam! I would like to sleep in boxers without underwear. But I feel some arousal initially. What should I do? Thank you

Hello mam! I would like to sleep in boxers without underwear. But I feel some arousal initially. What should I do? Thank you

Nothing: There is nothing that needs to be done. This is a natural response and is normal. Unless you are having painful erections, you don't need to do anything. If you are worried about being seen with an erection, then wear underwear. ...Read more

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I suffer from confusional arousals during sleep with occasional hallucinations. Sleep study was normal. What can I do to fix this?

I suffer from confusional arousals during sleep with occasional hallucinations. Sleep study was normal. What can I do to fix this?

Consider an analogy:: Your car engine knocks and misses at certain speeds. Your mechanic can't find anything wrong. What can you do to fix this? How can you "fix this" if you don't know what's broken? Options: 1) Get another test. 2) Get another mechanic. 3) Get another car. Option #3 doesn't apply in medicine; so you need to get another test or get another opinion. No "fixing" till you know what needs fixing. ...Read more

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Had a sleep study. 99 episodes of arousal and woke many times in under 6 hours. No apnea nor hypopnea. Why? What is going on? Fixes?

Had a sleep study. 99 episodes of arousal and woke many times in under 6 hours. No apnea nor hypopnea. Why? What is going on? Fixes?

Arousals: Hard to say. No airway disturbances, just arousals. Reflux disease can irritate and awaken, as can chronic pain symptoms which disturb restful sleep. Fatigue and arousals may be signs of depression or anxiety. Fixes include careful diet and gerd meds, exercise, good sleep hygiene, and management of pain with appropriate meds. ...Read more

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Last sleep study REM latency 125 min percent tst: REM 28.7. Sws 16.9. Effiency: 67.9. Index: arousal 21.4, awakening 4.2. Indicative of anything?

Last sleep study REM latency 125 min percent tst: REM 28.7. Sws 16.9. Effiency: 67.9. Index: arousal 21.4, awakening 4.2. Indicative of anything?

More data would help: The most important finding is that you are only sleeping 67.9% of the time that you are in bed. The arousal number cannot be interpreted without knowing the context of the arousals. You did not have many awakenings, but you must have been awake a considerable while each time. Rem latency is slightly long, but not enough to draw any conclusions from. Basically your sleep quantity is poor. ...Read more

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I went to get a sleep study and my respiratory effort related arousal were high but ny ahi was 1 but was still was diagnosed with osa. Please explain.?

RDI was high: Rera is factored into a number called the rdi (respiratory disturbance index). Ahi is the apnea-hypopnea index, meaning you stopped breathing or had a 50% reduction in airflow with desaturation(drop in oxygen) an average 1 time per hour. When rera is added, you get a rdi score and this was elevated. Rera's are events where there is resistance to airflow but not enough to call apnea or hypopnea. ...Read more

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Boyfriend swears I jerk my body in sleep. Could jerking explain high spontaneous arousal index. Had CPAP so low AHI. ZERO recorded limb movements.

Boyfriend swears I jerk my body in sleep. Could jerking explain high spontaneous arousal index. Had CPAP so low AHI. ZERO recorded limb movements.

Nothing to worry : jerking and limb movements are two different things. Jerking happens during REM sleep (high arousal part of sleep cycle). If you look at EEG, it actually looks like one seizure form, brain is asleep but tying to wake up. Nothing to worry about except you may have an angry sleep partner. ...Read more

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3wks before my period,i'm constantly having a genital arousal,esp when i'm sitting down or when going to sleep.is it normal?

3wks before my period,i'm constantly having a genital arousal,esp when i'm sitting down or when going to sleep.is it normal?

Spontaneous sexual: arousal is not terribly uncommon. It is difficult to link it to specific phases of the menstrual cycle; 3 weeks before a regular period would be before predicted ovulation and not necessarily a hormonally susceptible time. Some have reported positional factors such as sitting where clitoral stimulation might be more likely. There are some treatments; consider an evaluation with your PCP or OB/GYN. ...Read more

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My sleep study showed 160 brain arousals; however my MSLT was normal with no REM onset. Could I still have narcolepsy?

My sleep study showed 160 brain arousals; however my MSLT was normal with no REM onset. Could I still have narcolepsy?

No: you have a parasomnia, means that some event is waking you up constantly. the most common cause I see of this is restless legs. you need a video sleep study to see if we can see what is waking you up. ...Read more