Brewminating: Somniloquy – Why Do I Talk in My Sleep?



Watching someone talk in their sleep can be funny and sometimes even scary, but what’s happening in the brain when this takes place?


Presentation from Seeker


From Wikipedia:

Sleep-talking (or somniloquy) is a parasomnia that refers to talking aloud while asleep. It can range from simple mumbling sounds to loud shouts and long, frequently inarticulate speeches, and can occur many times during a sleep cycle.[1] As with sleepwalking and night terrors, sleep-talking usually occurs during delta-wave NREM sleep stages or during temporary arousals therefrom.

It can also occur during the REM sleep stage, at which time it represents what sleep therapists call a motor breakthrough (see sleep paralysis) of dream speech: words spoken in a dream are spoken out loud. Depending on its frequency, this may or may not be considered pathological. All motor functions are typically disabled during REM sleep thus, motoric, i.e., verbal elaboration of dream content, could be considered an REM behavior disorder.

Trace Dominguez covers this phenomenon in an educational video.


Published on YouTube, 09.20.2015, by Seeker, republished with embed permission.

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