Table 2.
Distribution of sleep characteristics in 12-h light and dark periods for Townes AS and SS mice
| LIGHT | DARK | |||||
|---|---|---|---|---|---|---|
| AS | SS | p value | AS | SS | p value | |
| Awake (% of 12 h) | 35.6 ± 1.8 | 39.5 ± 1.9 | = 0.17 | 45.6 ± 2.3 | 58.6 ± 1.2 | < 0.01 |
| NREM (% of 12 h) | 56.8 ± 1.4 | 52.8 ± 1.4 | = 0.06 | 49.1 ± 2.0 | 37.2 ± 0.7 | < 0.01 |
| REM (% of 12 h) | 7.6 ± 0.5 | 7.7 ± 0.5 | = 0.84 | 5.3 ± 0.4 | 4.2 ± 0.4 | = 0.19 |
| Number of NREM bouts | 93.0 ± 2.9 | 81.0 ± 4.2 | < 0.05 | 72.2 ± 2.9 | 64.3 ± 3.5 | = 0.12 |
| Duration of bouts (min) | 4.5 ± 0.1 | 4.8 ± 0.3 | = 0.45 | 5.1 ± 0.3 | 4.3 ± 0.2 | < 0.05 |
| Number of REM bouts | 47.0 ± 3.3 | 47.8 ± 2.6 | = 0.85 | 30.7 ± 2.0 | 27.3 ± 2.8 | = 0.36 |
| Duration of bouts (min) | 1.1 ± 0.03 | 1.1 ± 0.02 | = 0.94 | 1.2 ± 0.1 | 1.0 ± 0.1 | = 0.18 |
| Number of arousals/h sleep | 23.9 ± 2.7 | 17.1 ± 1.2 | < 0.05 | 22.9 ± 1.4 | 19.6 ± 1.3 | = 0.13 |
| Time to resume sleep (min) | 1.6 ± 0.1 | 2.4 ± 0.3 | < 0.05 | 2.4 ± 0.3 | 4.2 ± 0.5 | < 0.01 |
Data shown as mean ± SEM and statistical differences determined by two-tailed unpaired Student’s t test