| APSS | Association for the Psychophysiological Study of Sleep |
|---|---|
| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| ASDC | American Society of Dentistry for Children; Association of Sleep Disorders Centers |
| ASPS | advanced sleep phase syndrome |
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |