Ch.4 Flashcards
consciousness
awareness of internal and external stimuli such as feelings of hunger and pain or detection of light
hypnosis
extreme focus on the self that involves suggested changes of behavior and experience
Stage N1
Transitional phase occurring between wakefulness and sleep
Stage N2
The body goes into deep relaxation
Stage N3
Respiration and heart rate slow down further
Rapid Eye movements (REM)
Paralysis of voluntary muscles
adaptive theory
Sleep is an adaptive response to predatory risks, which increase in darkness
restorative theory
Sleep is essential to restore resources that are expended during the day
insomnia
difficulty falling or staying asleep - for at least 3 nights a week for at least one month’s time, most common sleep disorder
sleep apnea
when individuals stop breathing during their sleep, usually for 10-20 seconds or longer
narcolepsy
an irresistible urge to fall asleep during waking hours
nightmares
a ba dream you can wake up from
night terrors
a sense of panic and may scream or attempt to escape, no memory of it
somnambulism
sleepwalking, performing tasks while still sleeping
dreams (freud)
a way to gain access to the unconscious
