Sleep Cycles Flashcards
sleep cycles
not the accumulation of naps - must be consistent circadian rhythms (heart thinks the day is 25 hours)
Bats and stuff
BAts in THEir Kaves in the Dominican Republic
Beta
normal waking conscieousness
Alpha
drowsy relaxed
Theta
stage 1 sleep - not quite asleep
Sleep Spindles
k- complexes - stage 2 sleep, body temperature decreases, heart rate decreases
sleep spindles fun facts
6 weeks of age sleep spindles begin
5 months of age k-complex rxn to an external stimulus
- more sleep spindles= more noise to wake you up
- melatonin promotes sleep spindles
- sleep spindle frequency increases at night following learning something new
– does fluctuate from time to time
–increases when you are learning things
–more spindles = next day better performance
Delta
blood pressure drops, breather slows, body temp drops, no eye movement, less responsive to external stimuli, transition light - deep sleep
bed wetting, night terrors
groggy if wakened during this stage
Rem
rapid eye movement
longest cycle
memory and aggression problems if deprived of rem sleep
Benefits of a Power Nap
Clearer thinking increase alertness decrease stress improve memory enhance creativity
Dreaming
altered state of consciousness
characteristics: intense emotion, illogical thought, sensations fully formed, uncritical acceptance, difficulty remembering dreams
Sigmund Freud + dreams
dream theories
dynamic unconscious
manifest content- apparent meaning, surface
latent content - underlying symbolic meaning
Activation Synthesis
your brain interpretation interval neural analysis
dreams begin with random neural activity and the upon waking there is meaning added
Freud
dream begins with meaning (repression) then brain adds random details
