Across
- 2. Sleepy hormone
- 6. Located in the hypothalamus
- 9. A method to obtain visual information on sleep activity
- 12. State of consciousness beyond the normal levels of awareness
- 13. Machine that measures electrical potentials from muscles around the eye
- 15. Most powerful Zeitgeber
- 16. External environmental factors that effect the sleep cycle
Down
- 1. Machine that measures overall brainwave amp and frequency
- 3. Machine that measures muscle tonicity
- 4. Sleep disorder that delays sleep cycle by 2+ hours (abbreviation)
- 5. Biological process that spans less than 24 hours
- 7. Biological process that spans approximately 24 hours
- 8. Strategy to treat sleep disorders
- 10. Deepest phase of sleep
- 11. A way an individual can track their sleep patterns
- 14. Sleep disorder that advances sleep cycle by 2+ hours (abbreviation)