3 Theories of Sleep, 11 Sleep Disorders and Remedies YouTube Lecture Handouts

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Adaptive Theory of Sleep

Product of Evolution

Restorative Theory of Sleep

Must for Physical Health of Body

Dual Process Hypothesis of Sleep

  • Refresh Brain

  • Restore Memory

Sleep Disorders

  • Hypersomnia: Excessive daytime sleepiness (drug abuse, insomnia, depression)

  • Insomnia: Inability to get to sleep, stay asleep, or get good quality sleep

  • Narcolepsy: Sudden onset of REM sleep during otherwise waking hours

  • Circadian rhythm disorders: Disturbances of the sleep–wake cycle such as jet lag and shift work

  • Enuresis: Urinating while asleep in bed

Sleep Disorders

  • Sleep Apnea: Loud snoring and stopped breathing (cause of SIDS)

  • Night terrors/Nightmare Disorders: Extreme fear, agitation, screaming while asleep

  • Somnambulism: Sitting, walking, or performing complex behavior while asleep

  • Restless leg syndrome: Uncomfortable sensations in legs causing movement and loss of sleep

  • Nocturnal leg cramps: Painful cramps in calf or foot muscles

Sleep Disorders

  • Periodic limb movement syndrome: Muscle twitches (primarily legs) occur every 20-40 seconds & disturb sleep.

  • REM behavior disorder: Failure of normal muscle paralysis causing violent actions during REM sleep.

  • Sleep–wake schedule disorder

  • Sleep Drunkenness: Slow transition to consciousness after awakening

Remedial Measures

  • Paradoxical Intervention – Remove pressure of trying to sleep

  • Relaxation

  • Exercise

  • Food Intake:

  • Stimulus Control

  • Sleep Restrictions: For insomnia

  • Imagery rehearsal: For nightmares