Table 1.
Number and average length of NREM and REM episodes during 12-h dark and light periods and during total 24-h period on days 1–3, 7, 14, and 15 after surgery. Values are means (SEM). Different letters within the columns indicate significant differences across days (Tukey test, P < 0.05).
| NREM 12-h Dark |
12-h Light | 24-h Total | REM 12-h Dark |
12-h Light | 24-h Total | |
|---|---|---|---|---|---|---|
| Number of Episode (Number) | ||||||
| D1 | 38.1 (4.1) | 79.6 (3.9) b | 117.8 (7.3) b | 23.1 (2.0) | 30.4 (2.6) | 53.5 (2.6) |
| D2 | 47.3 (5.3) | 93.5 (6.0) ab | 140.8 (7.7) ab | 17.9 (0.9) | 28.6 (1.4) | 46.5 (1.2) |
| D3 | 34.4 (3.5) | 99.4 (6.4) a | 133.8 (8.2) ab | 17.9 (1.7) | 31.3 (2.5) | 49.1 (3.0) |
| D7 | 50.3 (6.8) | 100.9 (5.1) a | 151.1 (11.) a | 18.6 (2.2) | 33.4(1.6) | 52.0 (3.6) |
| D14 | 49.5 (3.1) | 90.0 (5.0) ab | 139.5 (6.6) ab | 17.6(1.4) | 34.5 (2.3) | 52.1 (2.0) |
| D15 | 49.1 (3.6) | 93.6 (5.3) ab | 142.8 (6.1) a | 16.5 (1.8) | 36.3 (2.3) | 52.8 (2.6) |
| F (5, 35) = | 2.8 | 4.6 | 3.8 | |||
| P < | 0.028 | 0.003 | 0.008 | NS | NS | NS |
| Average Length of Episode (Min) | ||||||
| D1 | 4.4 (0.19) a | 5.3 (0.32) a | 5.0 (0.24) a | 1.9 (0.10) a | 1.8 (0.08) ab | 1.9 (0.08) ab |
| D2 | 3.6 (0.27) ab | 4.5 (0.25) ab | 4.1 (0.21) ab | 1.6 (0.09) b | 1.8 (0.10) ab | 1.7 (0.08) ab |
| D3 | 3.4 (0.20) bc | 3.8 (0.27) c | 3.7 (0.20) c | 1.7 (0.10) b | 1.6 (0.07) b | 1.7 (0.08) b |
| D7 | 2.7 (0.24) c | 3.9 (0.20) bc | 3.5 (0.21) bc | 1.5 (0.05) b | 2.0 (0.11) ab | 1.8 (0.09) ab |
| D14 | 2.8 (0.19) c | 4.2 (0.24) bc | 3.7 (0.19) bc | 1.7 (0.09) b | 2.2 (0.15) a | 2.0 (0.11) a |
| D15 | 2.6 (0.18) c | 4.2 (0.29) bc | 3.6 (0.19) bc | 1.6 (0.10) b | 2.0 (0.17) ab | 1.9 (0.13) ab |
| F (5, 35) = | 11.6 | 6.9 | 12.0 | 3.7 | 3.7 | 2.8 |
| P < | 0.001 | 0.001 | 0.001 | 0.008 | 0.008 | 0.03 |