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- $Unique_ID{BRK01219}
- $Pretitle{}
- $Title{Muscle Jerks at Night}
- $Subject{sleep muscle jerks reflexes ill defined symptoms symptom night asleep
- bed jerking muscles simultaneous contraction sleeps jerk jerked reflex
- contractions}
- $Volume{N-18}
- $Log{}
-
- Copyright (c) 1991-92,1993 Tribune Media Services, Inc.
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- Muscle Jerks at Night
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- QUESTION: My husband has an annoying problem, especially for me. After we
- are asleep in bed at night, he will suddenly give a jerk that practically
- throws him in the air and, of course, wakes me up. He tells me that he is not
- doing this on purpose, but I don't know why this should happen at all. Do you
- have any explanations for these disturbing movements?
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- ANSWER: This type of jerking activity of the muscles of the body is quite
- common. It occurs when there is simultaneous contraction of all the muscles
- in the body, causing your husband to jump and wake up. Physicians used to
- believe that this was provoked by a primitive reflex that has remained with us
- from the days of our ancient, tree dwelling ancestors. The theory believes
- that the reflex prevented an individual from falling out of the trees once he
- had gone to sleep. More recent, and perhaps more scientifically acceptable,
- explanations stem from newly gained knowledge about sleep. It is now known
- that we pass through different stages of sleep during our rest. There are
- four such stages. The first is the lightest, with each successive stage being
- a deeper sleep. Sometimes as our body goes from stage three to stage four
- sleep there is a sudden surge of electrical activity from our brain which
- stimulates all the muscles and makes them contract sharply. This will them
- cause the jerking sensation that your husband experiences. Not everyone has
- this experience and, of course, it probably isn't occurring each night, for
- which I am sure you are thankful. The most important thing to remember is
- that this is not an abnormal situation, and despite its sleep breaking effect
- is truly nothing to be concerned about.
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- The material contained here is "FOR INFORMATION ONLY" and should not replace
- the counsel and advice of your personal physician. Promptly consulting your
- doctor is the best path to a quick and successful resolution of any medical
- problem.
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