somnambulism (redirected from somnambulists)

somnambulism /som·nam·bu·lism/ (som-nam´bu-lizm) sleepwalking; rising out of bed and walking about or performing other complex motor behavior during an apparent state of sleep.

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som·nam·bu·lism (sm-nmby-lzm)

n.

See sleepwalking.

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som·nambu·listic adj.

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Somnambulism

Another term for sleepwalking.

Mentioned in: Sleep Disorders

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somnambulism

[somnam′byəliz′əm]

Etymology: L, somnus, sleep, ambulare, to walk

1 also called noctambulation, sleepwalking, somnambulance. a condition occurring during stage 3 or 4 of nonrapid eye movement sleep that is characterized by complex motor activity, usually culminating in leaving the bed and walking about. The person has no recall of the episode on awakening. The episodes, which usually last from several minutes to half an hour or longer, are seen primarily in children, are more common in boys than in girls, and are more likely to occur if the individual is fatigued or under stress or has taken a sedative or hypnotic medication at bedtime. Seizure disorders, central nervous system infections, and trauma may be predisposing factors, but the condition is more commonly related to anxiety. In adults, the condition is less common and is classified as a dissociative reaction.

2 a hypnotic state in which the person has full possession of the senses but no recollection of the episode. See also fugue.

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sleepwalking 

rising from bed and walking or performing other complex motor behavior during an apparent state of sleep; much mystery has been attached to this, although it is no more mysterious than dreaming. The chief difference between the two is that the sleepwalker, besides dreaming, is also using the part of the brain that stimulates walking. This usually occurs during the first third of the night and lasts for a few minutes to a half hour. The sleeper is relatively unresponsive, not easily awakened, and usually amnesic for the episode later. It is most likely to happen during periods of emotional stress and usually ceases when the source of anxiety is removed. In many cases it occurs only once or twice and does not happen again. If it recurs frequently (called sleepwalking disorder) it may stem from serious emotional distress (see sleep disorders). Called also somnambulism.

sleepwalking disorder repeated episodes of sleepwalking.

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somnambulism (somnam´būlizm),

n a habitual walking in the sleep; a hypnotic state in which the subject has full possession of senses but no subsequent recollection.

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somnambulism

Sleepwalking, see there