Characteristics of Sleepwalking
- No warning: Typically, there is no physiological forewarning that indicates a sleepwalking episode is about to occur. There is no twitching, no increase in heart rate or breathing(directly preceding to the episode), and no significant variations in brain waves, there is just quiet, slow-wave sleep until the "alarm rings"; the abrupt central nervous system (CNS) arousal prompts the heart rate to accelerate and then the sleepwalking begins.
- Glassy-Eyed stare/blank expression: During a sleepwalking episode, pupils are typically dilated.
- Disorientation consequent to awakening: The sleepwalker could be confused and perplexed, and might not know why/how they got out of bed, however, the disorientation will go away within minuets.
- Meaningless talk: It is very common that people talk while sleepwalking, however, it is typically gibberish.
- Amnesia linked to the event: When children sleepwalk, the usually do not remember anything that happened during their sleepwalking episode. Sleepwalking in adults however, can vary greatly; they could remember nothing, have a cloudy memory of it, or they might be able to recall the events fairly good.
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