Across
- 2. early riser
- 5. mistake
- 7. time out
- 10. result, consequence episode
- 11. short term memory
- 16. to determine
- 18. darkness
- 19. top performance peak performance
- 21. barely, just, only
- 23. merry, happy, joyful
- 25. to jump
Down
- 1. biorhythm
- 3. night owl
- 4. light
- 5. illness, disease
- 6. peak performance
- 8. brainwork
- 9. accident
- 12. to rest
- 13. so-called
- 14. tiredness
- 15. top form, peak shape
- 17. invention
- 18. lowest performance
- 20. to change (oneself)
- 22. lightbulb
- 24. learning phase