Overview

Sleepwalking — also known as somnambulism — involves getting up and walking around while in a state of sleep. More common in children than adults, sleepwalking is usually outgrown by the teen years. Isolated incidents of sleepwalking often don't signal any serious problems or require treatment. However, recurrent sleepwalking may suggest an underlying sleep disorder.

Sleepwalking in adults has a higher chance of being confused with or coexisting with other sleep disorders as well as medical conditions.

If anyone in your household sleepwalks, it's important to protect him or her from potential injuries related to sleepwalking.

Sleepwalking care at Mayo Clinic

Source: http://www.mayoclinic.com

Symptoms

Sleepwalking usually occurs early in the night — often one to two hours after falling asleep. It's unlikely to occur during naps. A sleepwalking episode can occur rarely or often, and an episode generally lasts several minutes, but can last longer.

Someone who is sleepwalking may:

• Get out of bed and walk around
• Sit up in bed and open his or her eyes
• Have a glazed, glassy-eyed expression
• Not respond or communicate with others
• Be difficult to wake up during an episode
• Be disoriented or confused for a short time after being awakened
• Not remember the episode in the morning
• Have problems functioning during the day because of disturbed sleep
• Have sleep terrors in addition to sleepwalking

Sometimes, a person who is sleepwalking will:

• Do routine activities, such as getting dressed, talking or eating
• Leave the house
• Drive a car
• Engage in unusual behavior, such as urinating in a closet
• Engage in sexual activity without awareness
• Get injured, for example, by falling down the stairs or jumping out a window
• Become violent during the period of brief confusion immediately after waking or, occasionally, during sleepwalking

When to see a doctor

Occasional episodes of sleepwalking aren't usually a cause for concern and typically resolve on their own. You can simply mention the sleepwalking at a routine physical or well-child exam. However, consult your doctor if the sleepwalking episodes:

• Occur often — for example, more than one to two times a week or several times a night
• Lead to dangerous behavior or injury to the person who sleepwalks or to others
• Cause significant sleep disruption to household members or the person who sleepwalks
• Result in daytime symptoms of excessive sleepiness or problems functioning
• Start for the first time as an adult
• Continue into your child's teen years

Source: http://www.mayoclinic.com

Causes

Sleepwalking is classified as a parasomnia — an undesirable behavior or experience during sleep. Sleepwalking is a disorder of arousal, meaning it occurs during N3 sleep, the deepest stage of non-rapid eye movement (NREM) sleep. Another NREM disorder is sleep terrors, which can occur together with sleepwalking.

Many factors can contribute to sleepwalking, including:

• Sleep deprivation
• Stress
• Fever
• Sleep schedule disruptions, travel or sleep interruptions

Sometimes sleepwalking can by triggered by underlying conditions that interfere with sleep, such as:

• Sleep-disordered breathing — a group of disorders featuring abnormal breathing patterns during sleep (for example, obstructive sleep apnea)
• Taking certain medications, such as hypnotics, sedatives or certain medications used for psychiatric disorders
• Substance use, such as alcohol
• Restless legs syndrome
• Gastroesophageal reflux disease (GERD)

Source: http://www.mayoclinic.com

Diagnosis

To diagnose sleepwalking, your doctor reviews your medical history and your symptoms. Your evaluation may include:

• Physical exam. Your doctor may do a physical exam to identify any conditions that may be confused with sleepwalking, such as nighttime seizures, other sleep disorders or panic attacks.
• Discussion of your symptoms. Unless you live alone and are unaware of your sleepwalking, you'll likely be told by others that you sleepwalk. If your sleep partner comes with you to the appointment, your doctor may ask him or her whether you appear to sleepwalk. Your doctor may also ask you and your partner to fill out a questionnaire about your sleep behaviors. Tell your doctor if you have a family history of sleepwalking.
• Nocturnal sleep study (polysomnography). In some cases, your doctor may recommend an overnight study in a sleep lab. Sensors placed on your body will record and monitor your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements while you sleep. You may be videotaped to document your behavior during sleep cycles.

Source: http://www.mayoclinic.com

Complications

Sleepwalking itself isn't necessarily a concern, but a person who sleepwalks can:

• Hurt themselves — especially if they walk near furniture or stairs, wander outdoors, drive a car or eat something inappropriate during a sleepwalking episode
• Experience prolonged sleep disruption, which can lead to excessive daytime sleepiness and possible school or behavior issues
• Be embarrassed or experience problems with social relationships
• Disturb others' sleep
• Rarely, injure someone else nearby

Lifestyle and home remedies

If sleepwalking is a problem for you or your child, try these suggestions.

• Make the environment safe. If sleepwalking has led to injuries or may do so, consider these precautions: Close and lock all windows and exterior doors before bedtime. You might even lock interior doors or place alarms or bells on the doors. Block doorways or stairways with a gate, and move electrical cords and other tripping hazards out of the way. Sleep in a ground-floor bedroom, if possible. Place sharp or fragile objects out of reach, and lock up all weapons. If your child sleepwalks, don't let him or her sleep in a bunk bed.
• Gently lead the person sleepwalking to bed. It's not necessary to wake up the person. Although it's not dangerous to the person to be awakened, it can be disruptive if he or she becomes confused and disoriented, and possibly agitated.
• Get adequate sleep. Fatigue can contribute to sleepwalking. If you're sleep deprived, try an earlier bedtime, a more regular sleep schedule or a short nap, especially for toddlers. If possible, avoid sleep-time noises or other stimuli that could interrupt sleep.
• Establish a regular, relaxing routine before bedtime. Do quiet, calming activities before bed, such as reading books, doing puzzles or soaking in a warm bath. Meditation or relaxation exercises may help, too. Make the bedroom comfortable and quiet for sleep.
• Put stress in its place. Identify the issues that cause stress and ways to handle the stress. Talk about what's bothering you. Or if your child sleepwalks and seems anxious or stressed, talk with him or her about any concerns. A mental health professional can help.
• Look for a pattern. For several nights, note — or have another person in your home note — how many minutes after bedtime a sleepwalking episode occurs. If the timing is fairly consistent, this information is useful in planning anticipatory awakenings.
• Avoid alcohol. Drinking alcohol can interfere with a good night's sleep and may be a trigger for sleepwalking.

Source: http://www.mayoclinic.com

Risk factors

Factors that may increase the risk of sleepwalking include:

• Genetics. Sleepwalking appears to run in families. It's more common if you have one parent who has a history of sleepwalking, and much more common if both parents have a history of the disorder.
• Age. Sleepwalking occurs more often in children than adults, and onset in adulthood is more likely related to other underlying conditions.

Source: http://www.mayoclinic.com