Getting a good night's sleep

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Stages Since the early 20th century, human sleep has been described as a succession of five recurring stages: four non-REM stages and the REM stage. A sixth stage, waking, is often included. Waking, in this context, is actually the phase during which a person falls asleep. Rapid eye movement (REM) sleep is marked by extensive [...]

Sleep 101 What Is REM Sleep? Usually, REM sleep occurs 90 minutes after sleep onset. The first period of REM typically lasts 10 minutes, with each recurring REM stage lengthening, and the final one may last up to an hour. Polysomnograms show brainwave patterns in REM to be similar to that recorded during wakefulness. In [...]

REM Sleep Behavior Disorder REM Sleep Disorder Overview Normal sleep has 2 distinct states: non-rapid eye movement (NREM) and rapid eye movement (REM) sleep (see Sleep: Understanding the Basics for details of various stages of sleep). NREM sleep is divided into 4 stages. During REM sleep, rapid eye movements occur, breathing becomes irregular, blood pressure [...]

Sleep 101 When you sleep, your body rests and restores its energy levels. However, sleep is an active state that affects both your physical and mental well-being. A good night’s sleep is often the best way to help you cope with stress, solve problems, or recover from illness. What Happens During Sleep? Sleep is prompted [...]

Overview Specialists at Mayo Clinic are experienced in diagnosing and treating REM sleep behavior disorder. Mayo has sophisticated sleep labs for monitoring people while they sleep. Sleep specialists from Neurology, Thoracic Diseases and Psychiatry work together to treat this disorder. Annually, Mayo treats more than 100 people who have REM sleep behavior disorder. Obtaining an [...]

For most people, dreams are purely a “mental” activity: they occur in the mind while the body is at rest. But people who suffer from REM behavior disorder (RBD) act out their dreams. They physically move limbs or even get up and engage in activities associated with waking. Some talk, shout, scream, hit, punch, or [...]

REM Sleep Behavior Disorder REM Sleep Disorder Overview Normal sleep has 2 distinct states: non–rapid eye movement (NREM) and rapid eye movement (REM) sleep (see Sleep: Understanding the Basics for details of various stages of sleep). NREM sleep is divided into 4 stages. During REM sleep, rapid eye movements occur, breathing becomes irregular, blood pressure [...]

I’m a 46-year-old male. I am concerned I may have REM Sleep Behavior Disorder. Recently, I began acting out dreams. I would wake up as if talking on the phone (actually holding an invisible phone to my ear), pretending to eat or smoke, reaching for something in a dream, etc. I never became violent, jumped [...]

Overview Patients with rapid eye movement behavior disorder (RBD) act out dramatic and/or violent dreams during rapid eye movement (REM) stage sleep. Another feature of RBD is shouting and grunting. RBD is a type of parasomnia, which is a condition that occurs during sleep and creates a disruptive event. It is similar to other sleep [...]

Introduction Background Rapid eye movement (REM) sleep behavior disorder (RBD) is a sleep disorder characterized by loss of normal voluntary muscle atonia during REM sleep associated with complex motor behavior while dreaming.1,2,3,4 The International Classification of Sleep Disorders requires the following criteria for the clinical diagnosis of RBD:5 Presence of REM sleep without atonia (RSWA) [...]