Night terrors (sleep terrors) are feelings of terror or dread, typically occurring in the first few hours of sleep.

Sleepwalking (somnambulism) involves getting up and walking around while asleep. 

Sleep apnea is a disorder in which breathing repeatedly stops and starts during sleep. It is usually assocaited with loud snoring.  

Restless legs syndrome (RLS) is a condition in which there is an exteme discomgort in the legs requiring the legs to be moved and thereby preventing sleep. 

A sleep terror episode usually lasts from seconds to a few minutes. Sleep terrors differ from nightmares. A person having a nightmare wakes up from the dream and remembers details, but a person who has a sleep terror episode remains asleep and goes back to sleep after the episode. They do not, therefore, remember the episode. During a sleep terror episode, a person might: Sit up in bed, scream or shout,kick and thrash about, get out of bed and run around the house, and engage in violent behavior.

Sleep terrors sometimes are associated with underlying conditions that affect sleep, such as: Sleep apnea, Migraines,Head injuries, use of alcohol, or certain medications — including some antihistamines, sedatives and sleeping pills, anxiety and depression.

Treatment is aimed at the underlying problem. Medication  may help reduce sleep terrors.

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Sleepwalking occurs during deep, dreamless sleep. A Sleepwalker may roam around the house, perhaps opening and closing doors or turning lights on and off, do routine activities, such as getting dressed or making a snack — even driving a car, speak or move in a clumsy manner, and be difficult to wake up during an episode. The sleepwalker won't remember the episode in the morning.

Many factors can contribute to sleepwalking, including:Sleep deprivation,fatigue,stress,anxiety,and some medications. It is sometimes associated with underlying conditions such as Sleep Apnea, Restless legs syndrome (RLS), Migraines, and head injuries. Treatment is aimed at the underlying problem. Medication  may help reduce sleep walking.

Restless Legs Syndrome is charcterised by abnormal, unpleasant sensations in their calves, thighs or feet including sensations of crawling,pulling, throbbing,aching, pain, or burning.

RLS is sometimes associated with underlying conditions such as anaemia, peripheral Neuropathy etc.

Treating the underlying condition, greatly relieves restless leg syndrome. There are also a number of medicines that are used in the treatment of RLS. 

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