When a person walks and sometimes act on other activities and motions while sleeping is called sleepwalking. This condition can be due to genetics, lack of sleep, fatigue, disorders etc.
During stage four sleepwalking and sleep talking usually happen.
What is the stage of sleepwalking?
- Sleepwalk and sleep-talk occurs due to various reasons and occur at a specific time of the sleep cycle. Somnambulism (sleepwalking) happens in stage 4 of the night cycle when the sleep is deep and non-rapid eye movement type.
- Somnambulism and sleep talking both happen during phase four of sleep. The last 2 phases of sleep are classified as profound or delta sleep. It is a phase where it would be hard to awaken someone. This phase is the most refreshing sleep of all the phases.
Therefore, stage 4 is the part of the night when these behaviours are observed.
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