| Answer | Crossword Clue |
|---|---|
| REM | Sleep activity, for short |
| REM | Sleep phenomenon, for short |
| REM | Sleep cycle, for short |
| REM | Sleep state, for short |
| REM | Sleep stage for short |
| PJS | Sleep clothes, for short |
| REM | Sleep phase, for short |
| REM | Sleep stage, for short |
| REM | Stage of sleep, for short |
| FORTY | Short for a short sleep. |
| REM | Like some sleep, for short |
| SANDM | Dominatrix's activity, for short |
| REM | Dreamer's activity, for short |
| EVAC | Fire drill activity, for short |
| REM | Dreamer's optical activity, for short |
| EEG | Neural activity measure, for short |
| SPEC | Wall Street activity, for short. |
| EKG | Recording of heart activity, for short |
