| REMS | rapid eye movement sleep |
|---|---|
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| SAHS | sleep apnea-hypersomnolence [syndrome] |
| SAS | sarcoma amplified sequence; self-rating anxiety scale; short arm splint; Sklar Aphasia Scale; sleep ... |
| SDB | sleep-disordered breathing |