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Why do we sleep & dream?

Why do we sleep & dream?. Sleep disorders & parasomnias. Sleep disorders: P A R A S O M N I A S. A parasomnia is a term used to describe any unusual things that can happen while you are sleeping…. Sleepwalking ( somnabulism ) Nightmares Sleep paralysis REM sleep behavior disorder

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Why do we sleep & dream?

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  1. Why do we sleep & dream? Sleep disorders & parasomnias

  2. Sleep disorders: P A R A S O M N I A S A parasomnia is a term used to describe any unusual things that can happen while you are sleeping…. • Sleepwalking (somnabulism) • Nightmares • Sleep paralysis • REM sleep behavior disorder • Sleep aggression • Night terrors • Sleep eating Can happen when falling asleep or any time during sleep cycle…

  3. OTHER SLEEP DISORDERS Narcolepsy Sleep apnea Insomnia Restless leg syndrome

  4. NARCOLEPSY • A life long sleep disorder characterized by overwhelming sleepiness & in some cases sudden sleep attacks • 1 in 2000 • May be genetic, less common in children; • Cause still unknown…but many have LOW levels of neurotransmitter hypocretin (chemical linked to arousal & wakefulness http://www.sleepeducation.com/sleep-disorders/narcolepsy/overview-facts

  5. Two types of narcolepsy With cataplexy Without cataplexy Excessive sleepiness & Cataplexy: sudden loss of muscle tone while awake Could lead to slurred speech, buckling knees, sometimes total paralysis Usually triggered by strong emotions (surprise, anger, joy, laughter) Excessive sleepiness Take several naps & wake refreshed but soon tired again • SYMPTOMS: • Most between 7-25 yrs • Excessive day time sleepiness • Hallucinations • Sleep paralysis • Disturbed nighttime sleep • cataplexy https://www.youtube.com/watch?v=Ucpf_OYvs4E

  6. Sleep Apnea -common disorder where sleeper can have multiple pauses in breathing -pauses can last seconds to minutes -may happen many times an hour -leading cause of daytime sleepiness If untreated: - increased risk of high blood pressure, stroke, diabetes -increased risk of heart failure -increased risk of accidents due to tiredness http://www.nhlbi.nih.gov/health/health-topics/topics/sleepapnea/

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