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Unformatted text preview: -Dreams are more “lucid” and related to events during awake You cycle through sleep stages roughly every 90 minutes different drugs, stress and sleep deprivation can alter cycling. Caffeinated Drinks (eg. Coffee) and drugs (e.g. diet pills stimulate parts of the brain that help us sleep Stimulants (caffeine, amphetamine, nicotine) can cause insomnia and chronic difficulties in initiating or maintaining sleep Alcohol helps people fall into light sleep, but disrupts sleep cycles (less REM, les stage 3/4) Sleep disorders-almost half of American adults suffer from sleep disorders o Why? o They don’t sleep enough – have a regular sleep cycle Sleep disorders-insomnia-inability to sleep-Somnanbulism – sleep walking-Night mares-Night terrors – predominately in 2-4 year olds-Narcolepsy – overpowering urge to sleep-Sleep apnea – breathing dysfunction during sleep (disrupts sleep and sleep stage)-What happens if you are REM deprived?...
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- Spring '08
- Psychology, sleep cycle Sleep