Sleep & Dreams

2. Measures electrical activity in brain (brain waves)
4. Complex movements while in N3 sleep (i.e., deep sleep)
5. A ______ dream is when the dreamer is aware that they’re dreaming
8. REM sleep behavior disorder is a disorder in which the sleeper physically acts out their dream
12. The _______ gland produces melatonin
14. A sleep disorder characterized by temporary breathing stoppages during sleep and repeated awakenings
15. Physiological function theory states that regular brain stimulation during REM sleep may help develop & preserve brain pathways
16. State of consciousness that occurs during sleep
18. Sleep that features vivid, long-lasting dreams; similar to being awake; irregular breathing, heart rate; difficult to awaken from; body "paralyzed"
20. Non-REM sleep; includes all other sleep stages, except for REM
21. The inability to fall asleep or stay asleep
22. Activation-synthesis theory is a biological theory of dreams that states that the brain weaves a story from the ______ activity of neurons

1. Information-processing theory dreams help to process & form day's experiences into ________
3. A sleep disorder characterized by sudden and uncontrollable episodes of REM sleep
5. N1 is the ________ stage of sleep
6. Another name for N3 sleep; difficult to wake person; often disoriented if wake up; talking and walking in sleep happen here
7. Structure in the brain involved in sleep
9. Biological rhythms that change over a 24-hour period
10. Lost sleep must be "paid back"
11. N2 sleep is a little ________ than N1
13. The suprachiasmatic _______ monitors light and regulates the sleep/wake cycle
17. Hormone that causes drowsiness
19. Tendency for REM sleep to increase following REM sleep deprivation is called REM ________