Sleepwalking

Sleepwalking is a disorder that causes people to get up and walk while they're asleep. It usually happens when a person is going from the deep stage of sleep to a lighter stage or into the awake state. The sleepwalker can't respond during the event and usually doesn't remember it. In some cases, he may talk and not make sense. Sleepwalking mostly happens in childhood, typically between the ages of 4 and 8. But adults can do it, too.



Formally known as somnambulism, sleepwalking is a behavior disorder that originates during deep sleep and results in walking or performing other complex behaviors while asleep. It is more likely to occur if a person is sleep deprived. Because a sleepwalker typically remains in deep sleep throughout the episode, he or she may be difficult to awaken. Sleepwalking usually involves more than just walking during sleep; it is a series of complex behaviors that are carried out while sleeping, the most obvious of which is walking. Symptoms of sleepwalking disorder range from simply sitting up in bed and looking around, to walking around the room or house, to leaving the house and even driving long distances. It is a common misconception that a sleepwalker should not be awakened. In fact, it can be quite dangerous not to wake a sleepwalker.


The prevalence of sleepwalking in the general population is estimated to be between 1% and 15%. The onset or persistence of sleepwalking in adulthood is common, and is usually not associated with any significant underlying psychiatric or psychological problems. Common triggers for sleepwalking include sleep deprivation, sedative agents (including alcohol), febrile illnesses, and certain medications.

The prevalence of sleepwalking is much higher for children, especially those between the ages of three and seven, and occurs more often in children with sleep apnea. There is also a higher instance of sleepwalking among children who experience bedwetting. Sleep terrors are a related disorder and both tend to run in families.

Symptoms
When someone sleepwalks, they might quietly walk around their room. Or they might run or attempt to "escape". Typically, the sleepwalker's eyes are open with a glassy stare as he roams the house. If you question him, he'll be slow to respond or not respond at all. When you get him back to bed without waking him up, he usually won't recall the event. Older children may wake up more easily at the end of a sleepwalking episode.

Causes
Several things can lead to sleepwalking.

  • It can run in the family. 
  • Identical twins are more likely to sleepwalk. 
  • If you have a parent, brother, or sister who sleepwalks, you're 10 times more likely to do so than someone from a family with no sleepwalkers.

You might also have the disorder if you're:

  • Sleep deprived.
  • On a chaotic sleep schedule.
  • Stressed.
  • Drunk.
  • Taking drugs such as sedative-hypnotics (which promote relaxation or sleep), neuroleptics (used to treat psychosis), stimulants (which boost activity), and antihistamines (used to treat symptoms of allergy).

Medical conditions that have been linked to sleepwalking include:

  • Heart rhythm problems
  • Fever
  • Heartburn
  • Nighttime asthma
  • Nighttime seizures
  • Obstructive sleep apnea (a condition in which you briefly stop breathing during sleep)
  • Restless leg syndrome
  • Psychiatric disorders, for example, posttraumatic stress disorder, panic attacks, or dissociative states, such as multiple personality disorder.



Treatment
There is no specific treatment for sleepwalking. In many cases simply improving sleep hygiene may eliminate the problem. If you are experiencing symptoms, you should talk to your doctor or a sleep specialist about ways to prevent injury during the episodes and about the possibility of underlying illness. Also, be prepared to discuss with your doctor or pediatrician any factors, such as fatigue, medication, or stress, which may trigger symptoms.

Treatment for sleepwalking in adults may include hypnosis. In fact, there are many cases in which sleepwalking patients have successfully treated their symptoms with hypnosis alone. Also, pharmacological therapies such as sedative-hypnotics or antidepressants have been helpful in reducing the incidence of sleepwalking in some people.

Sleepwalking is common in children and is usually outgrown over time, especially as the amount of deep sleep decreases. If symptoms persist through adolescence, consult your doctor or psychiatrist.

Coping
As sleep deprivation often contributes to sleepwalking, increasing the amount of time scheduled for sleep can be helpful. Other possible triggers for sleepwalking include alcohol and certain medications. Also, experts recommend establishing a regular, relaxing routine prior to bedtime to cope with sleepwalking.

Creating a safe sleep environment is critical to preventing injury during sleepwalking episodes. For example, if your child sleepwalks, don’t let him or her sleep in a bunk bed. Also, remove any sharp or breakable objects from the area near the bed, install gates on stairways, and lock the doors and windows in your home.


Culled and edited. Images: Google

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