Table 1.
Charactersitics of emergent diaphragmatic activity in REM sleep during mechnical hyperventilation
| Subjects | No. of REM sleep periods | Duration of REM sleep period (s) | Latency to onset of diaphragmatic activity (s) | Percentage of REM sleep times with diaphragmatic activity | Emergent diaphragmatic activity (% control) |
|---|---|---|---|---|---|
| R | 5 | 385 (170) | 12 (19) | 56 (31) | 46 (36) |
| M | 19 | 311 (112) | 18 (15) | 76 (26) | 60 (18) |
| S | 13 | 432 (205) | 71 (33) | 48 (20) | 30 (12) |
| H | 10 | 432 (213) | 32 (24) | 51 (8) | 17 (2) |
| I | 1 | 670 | 5 | 75 | 16 |
| Mean* | 384 | 34 | 61 | 41 |
Data are means (s.d.).
*
Mean of all REM sleep periods.