Sleep Walking and Sleep Terrors
Sleepwalking or Somnambulism refers to recurrent episodes of abnormal,
complex behavior that occurs during Slow Wave Sleep that is during
the first third of the night during stages 3 and 4 of Non REM sleep.
The subject typically leaves the bed and is active in a confused
and disoriented state, often moving slowly and clumsily, possibly
with injury to themselves. The sleep walking may be preceded by
a scream or occurrence of a Sleep Terror, with marked autonomic
hyperactivity such as increased heart rate and respiratory rate.
When occurring in a state of terror, the movements may be much more
rapid, with episodes of rushing into walls, through windows and
out into street. There is reduced responsiveness, but the subject
may shout or scream. The flight response may include complex behavior
such as starting a car and driving. The complex behaviour may be
one of escape or of defense against a perceived threat. In some
instances trying to stop the subject often leads to violent movements.
Although there is amnesia of the event, the subject may have memory
of the imminent danger or specific threats against themselves, family
or property.
There is often a history of sleepwalking or night terrors in childhood
and it is not uncommon for family members to be affected.
Sleepwalking is diagnosed through a combination of history and
sleep studies including Actigraphy and PSG.
There are safe and effective treatments available including tablets
and psychotherapies such as hypnosis.
For more information please contact
us.
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