Sleepwalking is characterised by complex behaviour (walking) while asleep. Nonsensical talking may accompany this at times. The eyes are usually open with a characteristic ’glassy’ look that appears to have a ‘going through you’ kind of appearance.
It usually occurs in middle childhood and adolescence but can persist into adulthood. There appears to be a genetic tendency.
Stage 1, 2 and 3 are described as nonrapid eye movement (NREM) sleep. Rapid eye movement (REM) sleep is the last cycle which is usually associated with dreaming. There are four to five complete sleep cycles per night, each cycle consisting of all three stages and REM.
Sleepwalking usually occurs in the first or second cycle during stage 3. It is not usually seen during naps.
The person is not aware and has no memory of his or her behaviour.
Episodes range from quiet walking to agitated running. Eyes are open with a glassy staring appearance. On questioning, responses are slow with simple thoughts. If returned to bed without awakening, the person does not usually remember the event.
It occurs more frequently in identical twins. The risk is ten times higher if a first-degree relative has a history of sleepwalking.
The following factors can trigger sleepwalking:
Pregnancy and menstruation can increase the frequency of sleepwalking.
Associated Medical Conditions
Usually no tests or exams are necessary but a medical evaluation may be done to rule out medical causes of sleepwalking. A psychological evaluation may also be done to exclude excessive stress or anxiety as a cause. Sleep tests may be done if the diagnosis is still unclear.
The following treatment options can be undertaken for a person with sleepwalking disorder:
The underlying cause should be treated, for example, gastroesophageal reflux, obstructive sleep apnoea, seizures and other causes mentioned. Medications may be necessary in the following situations:
The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
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