Across
- 3. what we do when we sleep
- 8. natural scent released to attract partners
- 9. how we remember things
- 11. paying someone to do an experiment
- 12. seeing or hearing things that aren't there
Down
- 1. the inability to sleep or dream
- 2. lying
- 4. chemical released with pleasure
- 5. the feel good chemical
- 6. a stage of sleep
- 7. hormone that manages the reproductive system
- 10. guidelines