Across
- 4. opiate with relatively low potency- for pain
- 6. state marked by relatively low levels of physical activity and reduced sensory awareness that is distinct from periods of rest that occur during wakefulness
- 8. drug that tends to suppress the central nervous system
- 9. one of a category of drugs that has strong analgesic properties
- 12. drug that tends to increase overall levels of neural activity; includes caffeine, nicotine, amphetamines, and cocaine
- 13. one of a class of drugs that results in profound alterations in sensory and perceptual experiences
- 16. state of requiring increasing quantities of the drug to gain the desired effect
- 18. tendency to maintain a balance within a biological system
- 19. another word for somnambulism
Down
- 1. sleep disorder in which the sufferer cannot resist falling to sleep at inopportune times
- 2. state of extreme self-focus and attention in which minimal attention is given to external stimuli
- 3. awareness of internal and external stimuli
- 5. clearing the mind in order to achieve a state of relaxed awareness and focus
- 7. hormone secreted by the endocrine gland that serves as an important regulator of the sleep-wake cycle
- 10. synthetic opioid that is less euphorigenic than heron and similar drugs; used to manage withdrawal symptoms in opiate users
- 11. characterized by high levels of sensory awareness, thought, and behavior
- 14. a very nigh amplitude pattern of brain activity associated with stage 2 sleep that may occur in response to environmental stimuli
- 15. consistent difficulty in falling or staying asleep for at least three nights a week over a month's time
- 17. one of a group of sleep disorders characterized by unwanted,
- 20. variety of negative symptoms experienced when drug use is discontinued