Across
- 4. Brain’s circadian pacemaker
- 5. Stretching of dream time compared to real time
- 7. Active during day, sleeping at night
- 9. Dream sleep stage
- 10. Decreases when falling asleep
- 11. Graph showing stages over sleep over time
Down
- 1. Device used to measure sleep
- 2. blocks sensory signals during sleep
- 3. 24-hour biological rhythm
- 6. Deep non-dream sleep stage
- 8. Electrical patterns seen during sleep stages