Across
- 4. hidden meaning of a dream, per Sigmund Freud’s view of the function of dreams
- 9. feelings of intense elation and pleasure from drug use
- 10. sleep disorder with periods of interrupted breathing due to a disruption in signals sent from the brain that regulate breathing
- 12. second stage of sleep; the body goes into deep relaxation; characterized by the appearance of sleep spindles
- 14. period of sleep outside periods of rapid eye movement (REM) sleep
- 16. sleep disorder defined by episodes when breathing stops during sleep as a result of blockage of the airway
- 18. endocrine structure located inside the brain that releases melatonin
- 20. state marked by relatively low levels of physical activity and reduced sensory awareness that is distinct from periods of rest that occur during wakefulness
- 22. hormone secreted by the endocrine gland that serves as an important regulator of the sleep-wake cycle
- 26. sleep disorder in which the sufferer cannot resist falling to sleep at inopportune times
- 27. biological rhythm that occurs over approximately 24 hours
- 32. (also, somnambulism) sleep disorder in which the sleeper engages in relatively complex behaviors
- 35. consistent difficulty in falling or staying asleep for at least three nights a week over a month’s time
- 38. one of a class of drugs that results in profound alterations in sensory and perceptual experiences, often with vivid hallucinations
- 40. clearing the mind in order to achieve a state of relaxed awareness and focus
- 44. tendency to maintain a balance, or optimal level, within a biological system
- 46. awareness of internal and external stimuli
- 47. emotional, rather than a physical, need for a drug which may be used to relieve psychological distress
- 48. psychotherapy that focuses on cognitive processes and problem behaviors that is sometimes used to treat sleep disorders such as insomnia
Down
- 1. theoretical repository of information shared by all people across cultures, as described by Carl Jung
- 2. result of insufficient sleep on a chronic basis
- 3. characterized by high levels of sensory awareness, thought, and behavior
- 5. state of requiring increasing quantities of the drug to gain the desired effect
- 6. type of amphetamine that can be made from pseudoephedrine, an over-the-counter drug; widely manufactured and abused
- 7. collection of symptoms brought on by travel from one time zone to another that results from the mismatch between our internal circadian cycles and our environment
- 8. first stage of sleep; transitional phase that occurs between wakefulness and sleep; the period during which a person drifts off to sleep
- 11. one of a group of sleep disorders characterized by unwanted, disruptive motor activity and/or experiences during sleep
- 13. sleep disorder defined by episodes during which breathing stops during sleep
- 15. period of sleep characterized by brain waves very similar to those during wakefulness and by darting movements of the eyes under closed eyelids
- 17. infant (one year old or younger) with no apparent medical condition suddenly dies during sleep
- 19. internal cycle of biological activity
- 21. brain’s control of switching between sleep and wakefulness as well as coordinating this cycle with the outside world
- 23. sleep disorder in which the muscle paralysis associated with the REM sleep phase does not occur; sleepers have high levels of physical activity during REM sleep, especially during disturbing dreams
- 24. work schedule that changes from early to late on a daily or weekly basis
- 25. changes in normal bodily functions that cause a drug user to experience withdrawal symptoms upon cessation of use
- 28. study that combines the results of several related studies
- 29. sleep disorder in which the sufferer has uncomfortable sensations in the legs when trying to fall asleep that are relieved by moving the legs
- 30. drug that tends to suppress central nervous system activity
- 31. sleep-deprived individuals will experience shorter sleep latencies during subsequent opportunities for sleep
- 33. sleep disorder in which the sleeper experiences a sense of panic and may scream or attempt to escape from the immediate environment
- 34. state of extreme self-focus and attention in which minimal attention is given to external stimuli
- 36. storyline of events that occur during a dream, per Sigmund Freud’s view of the function of dreams
- 37. third stage of sleep; deep sleep characterized by low frequency, high amplitude delta waves
- 39. variety of negative symptoms experienced when drug use is discontinued
- 41. drug that tends to increase overall levels of neural activity; includes caffeine, nicotine, amphetamines, and cocaine
- 42. people become aware that they are dreaming and can control the dream’s content
- 43. rapid burst of high frequency brain waves during stage 2 sleep that may be important for learning and memory
- 45. lack of muscle tone or muscle weakness, and in some cases complete paralysis of the voluntary muscles