3b. Biological Rhythms and Sleep Theories Flashcards
a periodic, natural loss of consciousness-as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.
sleep
True or false
When people dream of performing some activity, their limbs often move in concert with the dream.
false
Older adults sleep less than young adults.
True
Sleepwalkers are acting out their dreams.
False
Sleep experts doesn’t recommend treating insomnia with an occasional sleeping pill.
true
Some people dream every night; others seldom dream.
False
our biological clock; regular bodily rhythms that occur on a 24 hour cycle
circadian rhythm
when does body temperature rises and when does it peak
as morning nears; during the day
when does body temperature begins to drop
in the evening
Give factors that can alter our circadian rhythm
Age and external factors (bright light)
after about age 20, we begin to shift from being owls to lark? or larks to owls?
owls to lark
person who tends to be active late at night
night owl
night owls tend to be smart, creative and hardworking. true or false
true
morning types tend to not better do in school, doesn’t take initiative, be less punctual, and be more vulnerable to depression. true or false
false
a recurring sleep stage during which vivid dreams commonly occur since the muscles are relaxed (except for minor twitches) but other body systems are active. what’s the other term for this word
REM sleep (rapid eye movement); paradoxical sleep
the relatively slow brain waves of a relaxed, awaked state
alpha waves
the large, slow brain waves associated with deep sleeps
delta waves
what are the sleep stages?
REM, N1, N2, N3
in what order do we normally travel through the sleep stages
normally we move through N1, then N2, then N3, then back up through N2 before we experience REM sleep.
in what sleep stage do we experience story-like dream
REM
in what sleep stage do we experience fleeting images
N1
in what sleep stage do we experience minimal awareness
N3
helps monitor the brain’s release of melatonin that affects our circadian rhythm
Suprachiasmatic nucleus
5 reasons why we sleep
sleep:
1. protects
2. helps us recuperate
3. restore and rebuild fading memories of the day’s experiences
4. feeds creative thinking
5. supports growth
