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Sleepwalking

Sleepwalking: Causes, Symptoms, Diagnosis, Treatments | Singapore General Hospital

Sleepwalking - What it is

Sleepwalking genetic link Singapore General Hospital

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.

Sleepwalking - Symptoms

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.

Sleepwalking - How to prevent?

Sleepwalking - Causes and Risk Factors

Causes of Sleepwalking

Genetic

It occurs more frequently in identical twins. The risk is ten times higher if a first-degree relative has a history of sleepwalking.

Sleepwalkers Singapore General HospitalEnvironmental

The following factors can trigger sleepwalking:

  • Sleep deprivation
  • Chaotic sleep schedules
  • Fever
  • Stress
  • Magnesium deficiency
  • Alcohol intoxication
  • Sedative/hypnotic drugs
  • Stimulants
  • Antihistamines

Physiologic

Pregnancy and menstruation can increase the frequency of sleepwalking.

Associated Medical Conditions

  • Arrhythmias
  • Fever
  • Gastroesophageal reflux
  • Night time asthma
  • Night seizures
  • Obstructive Sleep Apnoea
  • Psychiatric disorders

Sleepwalking - Diagnosis

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.

Sleepwalking - Treatments

The following treatment options can be undertaken for a person with sleepwalking disorder:

General Measures

  • Go to bed at the same time each night
  • Attain adequate sleep
  • Avoid napping
  • Avoid stress, fatigue and sleep deprivation
  • Moderate or relaxation exercises
  • Avoid any kind of stimuli prior to bedtime
  • Environment must be safe from harmful or sharp objects
  • Sleep on the ground floor and avoid bunk beds
  • Lock windows and doors
  • Remove obstacles in the room
  • Cover glass windows with heavy drapes
  • Place alarm or bell on bedroom and windows, if necessary

Medical Treatment

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 possibility of injury is real
  • Continued behaviours are causing significant family disruption or excessive daytime sleepiness
  • Other measures have proven to be inadequate
  • Benzodiazepines have been shown to be useful for three to six weeks and then discontinued without recurrence of symptoms but occasionally frequency can increase briefly after discontinuing the medication

Sleepwalking - Preparing for surgery

Sleepwalking - Post-surgery care

Sleepwalking - Other Information

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