CitiesScience and Health

The Most Terrifying Documented Cases of Sleepwalking: What People Do in Their Sleep

Ordinary cases of sleepwalking rarely make it into the media: people perform extremely simple actions, quite characteristic of their personality. However, sometimes sleepwalkers appear that are so intense that they simply must be reported. These individuals are capable of exhibiting highly complex behavior while asleep, but have no memory of their actions.


  • Kenneth Parkes

    The unfortunate Canadian developed sleepwalking after losing his job. His family dismissed the problem, and quite wrongly so: on May 23, 1987, Kenneth drove without waking up and drove to his in-laws’ house (approximately 20 kilometers away), where he shot his mother-in-law and her sister. He then turned himself in to the police—all while in a somnambulistic state. Psychologists and the court confirmed that Kenneth committed all the crimes in his sleep.


  • Jay Horras

    Bouts of sleepwalking had plagued the girl since childhood, but they became more intense in adulthood. Jay would go out at night and offer sex to strangers. Strangely, no one refused.


  • Timothy Bruggman

    Timothy tried to cope with insomnia with the powerful sleeping pill Ambien. Interestingly, preliminary studies confirmed the development of sleepwalking in patients taking the same sleeping pill, but he paid no attention. In the winter of 2009, Timothy, a sleepwalker, left his house and froze to death in a snowdrift.

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