| Answer | Crossword Clue |
|---|---|
| REM | Dreamy sleep (Abbr.) |
| REM | Dreamy sleep |
| REM | Dreamy sleep stage |
| REM | Dreamy sleep phase |
| REM | Sleep abbr. |
| REM | Sleep-research abbr. |
| REM | Sleep state (abbr.) |
| PSG | Sleep pattern: abbr. |
| REM | Sleep study abbr. |
| REM | Sleep researcher's abbr. |
| REM | Sleep phenomenon: Abbr. |
| REM | Sleep stage abbr. |
| REM | Sleep phase: Abbr. |
| REM | Sleep stage: Abbr. |
| RLS | Twitchy sleep disorder (abbr.) |
| BRS | Places to sleep: Abbr. |
| DST | Annual reason for losing sleep: Abbr. |
| REM | Part of a sleep cycle: Abbr. |
| IRREG | Like the verbs "sleep" and "kneel" (abbr.) |
| DST | Something you might lose a little sleep over?: Abbr. |
