| Answer | Crossword Clue |
|---|---|
| OBSERVE | Keep one's eyes open |
| SLEEPY | Unable to keep one's eyes open |
| STAYALERT | "Keep your eyes open!" |
| STAYALERT | Keep your eyes open |
| NOINTERESTLOANS | "And I could barely keep my eyes open in Economics, where the topic of the day was ..." |
| WAKE | Open one's eyes |
| AWAKEN | Open one's eyes |
| WARY | Having one's eyes open |
| ALERT | With one's eyes wide open |
