Rapid eye movement, or REM, is a stage of sleep in which you’re most likely to dream. Your heart rate, blood pressure, and even temperature might rise in this phase – and your eyes, well, rapidly move ...

RBD is marked by loss of REM sleep atonia, leading to physical dream enactment. Polysomnography is essential to confirm RBD and rule out other disorders. Idiopathic RBD is a strong predictor of ...

MINNEAPOLIS — Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain’s small ...