sensory
self -emotions -feelings
Freud stuff
it allows us to conserve energy, repair damage to the body, and store and organize information.
rid waste - in the brain -> if not asleep, not able to "rid waste" -physical -mental
immune system - sick; injured
Babies = 10-14 hours (maybe 20)
Adults = 7-9 hours
Sleep Debt - hard to get rid of
24 bio clock
jet lag
melatonin (hormone) - sun -> hypothalamus -> pineal gland
manage what time we go to bed
brain waves
Stage 1 - alpha waves: neural activity decreases
Stage 2 - sleep spindles: neural activity decreasing. Easily woken up.
Stage 3 & 4 - "deep sleep" - delta waves : brain is least active. Feel worse after getting 8 hrs. of sleep.
REM
20 minute nap = coffee; 6-8 hrs. of energy; Stage 1 & 2 90 minutes = more energy (boost); Awake -> REM Stage 3 & 4 - danger zone
3/4 -> REM; REM increases the longer you sleep
REM Rebound - put body in REM earlier & stay in longer
Most in stage 2
Pons
Evolution -threat perception
Biological -long-term potentiation/info processing (memory consolidation) -Activation Synthesis
Psychoanalytic (Freud) -unconscious: work through conflicts in a safe way through dreaming -manifest vs. latent content
Psychodynamic (Carl Jung) -collective unconscious
Insomnia & Depression
Sleep Apnea
Narcolepsy
Somnambulism
Night Terrors
Sleep Paralysis
alter serotonin levels (happy)
marijuana
LSD/ACID
Psilocybin/Shrooms
dopamine, adrenaline -> give you boost
Caffeine
Nicotine
Cocaine -> crack
Amphetamines -> meth
MDMA/Ecstasy
GABA (increases) inhibitor heart rate/respiration slows
Alcohol -slur speech -cerebellum -hippocampus (memory)
Opiates (+endorphins) -morphine; heroine
Barbiturate's/Benzodiazepines -Anti-anxiety -think less -Xanax
Tolerance
Dependence
Withdrawal