Table 1. Spontaneous sleep in juvenile and adult rats.
| Light period | Dark period | 24-Hour period | ||||
|---|---|---|---|---|---|---|
| P34 | P71 | P34 | P71 | P34 | P71 | |
| Wake (%) | 33.5±6.5 | 43.8±4.6 | 48.7±9.2 | 53.0±6.3 | 41.9±7.6 | 50.4±4.2 |
| SWS (%) | 52.4±6.7 | 44.4±3.2 | 38.1±8.5 | 35.1±5.9 | 46.4±7.5 | 40.7±3.4 |
| PS (%) | 13.3±1.9 | 9.8±1.6 | 8.1±0.8 | 4.6±1.3* | 11.0±0.8 | 7.6±1.2* |
| LSWS (%) | 23.9±2.5 | 35.5±2.5# | 9.1±1.6 | 13.0±4.5 | 17.0±1.8 | 25.8±3.0* |
| DSWS (%) | 28.5±6.7 | 8.9±5.0* | 29.0±7.7 | 24.6±8.3 | 29.4±3.1 | 14.9±5.0 |
Average % of time spent in each sleep stage for light phase (09:00–21:00) and dark phase (21:00–09:00). SWS—slow wave sleep; PS—paradoxical sleep; SWA—slow wave activity; DSWS—deep slow wave sleep; LSWS—light slow wave sleep; values are mean ± SEM.
p <0.05
# p < 0.006 comparing juvenile with adult animals.