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sleep & dreams
obj 2 and 3
| Question | Answer |
|---|---|
| what is the definition of biological rhythms? | periodic physiological fluctuations |
| Geese migrating and bears hibernating is an ex of ---? | annual cycle |
| female menstrual cycle is the ----? | 28 day cycle |
| humans experiencing ---- of varying alertness, body temp, and growth hormone secretion. | 24 hour cycle |
| moving through various stages of sleep in ---. | 90 minute cycle |
| what regulates our daily schedule of sleeping and waking? | circadian rhythms |
| the circadian rhythms are a response to what? | light striking the retina |
| what events disrupt the circadian rhythm? | time changes, long flights, shifts in sleep schedules, exposure to bright light |
| how many stages are in the sleep cycle? | 5 stages |
| how long does the sleep cycle last for? | 90 minutes |