Paradoxical sleep or REM sleep as it is often called, is the time in which we are in the deepest sleep and our dreams appear to be most vivid. When we experience highly stressful conditions, an altered state due to drug or alcohol consumption or even a fever, the vocal apparatus may remain active. However, there are instances while we’re asleep when the vocal apparatus does not completely shut off. Our vocal cords are “disconnected” while we sleep as well so talking clearly while sleeping is rare. So, for example, if we dreamt about diving in the pool, our muscle deactivation would prevent us from leaping off the mattress onto the floor. When we dream our muscles are “deactivated”. According to a recent study, 5 to 8 people out of 10 have spoken at least once during their sleep. This phenomenon has spread quite rapidly. Somniloquy can range from simple mumbling sounds to loud shouts or long inarticulate speeches. Somniloquy or sleep talking, refers to talking aloud while asleep.
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