| Answer | Crossword Clue |
|---|---|
| PERSIST | Keep at it. |
| GOON | Keep at it |
| HAMMERAWAY | Keep at it |
| PERSIST | Keep at it |
| PLUGAWAY | Keep at it |
| RETRY | Keep at it |
| CARRYON | Keep at it, British style. |
| PAGETURNER | It may keep you awake at night |
| APNEA | It might keep you up at night |
| COLIC | It may keep new parents up at night |
