Overview of Adult Sleep Disorders Sleep Deprivation Sleep Apnea Insomnia Central Diseases of Hypersomnolence (Narcolepsy, Hypersomnia, etc.) Restless Legs Syndrome REM (Rapid-Eye Movement) Behaviour Disorder Sleep Paralysis Nightmares and Nightmare Disorder Non-REM Parasomnias Jet Lag Sleep Disorders In Patients with Nerurologic Disease