Muscle activity and ventilation during wakefulness, NREM sleep and REM sleep during passive ventilation
| Wakefulness | NREM sleep | REM sleep | p Value | |
|---|---|---|---|---|
| NREM, non-rapid eye movement; REM, rapid eye movement; DIAEMG, diaphragm electromyogram; GGEMG, genioglossus electromyogram; TPEMG, tensor palatini electromyogram; Vt, tidal volume; Ve, minute ventilation; Sao2, oxygen saturation; Petco2, end tidal carbon dioxide tension. | ||||
| Average muscle activity (% max) | ||||
| DIAEMG | 6.8 (1.6) | 6.4 (1.6) | 6.4 (1.6) | 0.273 |
| GGEMG | 1.6 (0.4) | 1.1 (0.4) | 1.0 (0.3) | 0.003 |
| TPEMG | 5.1 (2.2) | 3.0 (2.0) | 3.0 (2.0) | <0.001 |
| Vt (l) | 0.43 (0.0) | 0.41 (0.0) | 0.42 (0.0) | 0.278 |
| Ve (l/min) | 7.8 (0.6) | 7.5 (0.4) | 7.8 (0.5) | 0.569 |
| Sao2 (%) | 97.4 (0.2) | 96.7 (0.3) | 96.9 (0.4) | 0.014 |
| Petco2 (mm Hg) | 40.7 (0.5) | 41.4 (0.7) | 42.1 (0.9) | 0.055 |