Across
- 1. recurring problems in falling or staying asleep (mod 24)
- 5. according to Freud, the underlying meaning of a dream (mod 24)
- 7. the biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle (mod 23)
- 8. the large, slow brain waves associated with deep sleep (mod 23)
- 9. the relatively slow brain waves of a relaxed, awake state (mod 23)
- 10. drugs that excite neural activity and speed up body functions (mod 25)
- 12. a chemical substance that alters perceptions and moods (mod 25)
- 15. our awareness of ourselves and our environment (mod 22)
- 16. a sleep disorder characterized by uncontrollable sleep attacks (mod 24)
- 18. a powerful and addictive stimulant, derived from the coca plant, producing temporarily increased alertness and euphoria (mod 25)
- 19. non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep (mod 23)
- 21. psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input (mod 25)
Down
- 2. a sleep disorder characterized by high arousal and an appearance of being terrified (mod 24)
- 3. the discomfort and distress that follow discontinuing an addictive drug or behavior (mod 25)
- 4. drugs that reduce neural activity and slow body functions (mod 25)
- 6. an altered state of consciousness reported after a close brush with death (such as by cardiac arrest); often similar to drug-induced hallucinations.
- 11. according to Freud, the remembered story line of a dream (mod 24)
- 13. continued substance craving and use despite significant life disruption and/or physical risk (mod 25)
- 14. the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect (mod 25)
- 17. a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings (mod 24)
- 20. compulsive craving of drugs or certain behaviors despite known adverse consequences (mod 25)