| Rating | Solver | Clue |
|---|---|---|
| INSOMNIA | Sleeplessness | |
| INSOMNOLENCE | Sleeplessness. | |
| UNREST | Want of rest or repose; unquietness; sleeplessness; uneasiness; disquietude. | |
| VIGIL | Abstinence from sleep, whether at a time when sleep is customary or not; the act of keeping awake, or the state of being awake, or the state of being awake; sleeplessness; wakefulness; watch. |