Across
- 2. unable to sleep
- 8. statements that don't match
- 9. ability to do something for a long time
- 11. immense tiredness
- 12. without doubt
- 14. harmful
- 15. teen
Down
- 1. do something hard without giving up
- 3. important
- 4. say something without proof
- 5. causing disagreement or discussion
- 6. tax
- 7. amount used drank or eaten
- 10. substances causing increase in energy
- 13. possible