Sleep moans, also known as sleep talking or somniloquy, are involuntary vocalizations that occur during sleep. These moans can range from simple grunts to more complex phrases or even sentences.
While the exact cause of sleep moans is unknown, they are generally considered to be harmless and often associated with:
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Stress
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Anxiety
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Sleep deprivation
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Certain medications
Sleep moans are usually not a cause for concern, but if they are frequent, loud, or disruptive to your sleep or the sleep of others, it may be worth discussing with a doctor to rule out any underlying medical conditions.
In most cases, sleep moans are simply a harmless manifestation of the brain's activity during sleep.