Understanding Sleepwalking: Causes, Symptoms, and Legal Implications

TLDR Sleepwalking, also known as somnambulism, is a disorder of arousal that occurs during the non-REM stage of sleep. It can be triggered by external stimuli or sleep deprivation and can sometimes lead to violent actions. Sleepwalking can be used as a defense in court, highlighting the need for expert witnesses to educate jurors on the topic.

Timestamped Summary

00:00 Sleepwalking has been used as a defense in murder trials, such as the case of Albert Terrell in 1845, but our understanding of sleepwalking has evolved over time.
04:04 Sleepwalking, also known as somnambulism, is a parasomnia that occurs during the non-REM stage of sleep, and while it can be a symptom of other disorders, it is considered a disorder of arousal and is found in the DSM.
07:38 Sleepwalking typically lasts for 30 seconds to a half hour, during which time the sleepwalker may perform activities clumsily but can still interact with their surroundings.
10:45 Sleepwalking is associated with epilepsy and is believed to occur when the brain is in a transition stage between being awake and asleep, often triggered by external stimuli or sleep deprivation, and can sometimes lead to violent actions.
14:10 Sleepwalking can be used as a defense in court, as demonstrated by a recent case in Illinois where a man was acquitted after claiming he assaulted someone while sleepwalking, highlighting the need for expert witnesses to educate jurors on the topic.
17:42 Sleepwalking incidents include a woman sending strange emails in her sleep, a man falling out of a hotel window, another man waking up in quicksand, and a podcast host's uncle having various sleepwalking episodes.
21:26 Sleepwalking is not the same as acting out dreams, but there is a disorder called REM sleep disorder where people do act out their dreams.
24:37 A listener shares a story about their grandmother who decided to grow marijuana in her garden just to see what it looked like, causing some trouble with the police.
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