| Percent | |||
---|---|---|---|---|
Season | Wake | Drowsy | SWS | REM |
Winter | 48.3% | 14.9% | 36.6% | 0.168% |
 | ± 2.2% | ± 0.6% | ± 2.2% | 0.020% |
Spring | 66.8% | 15.3% | 17.8% | 0.108% |
 | ± 4.5% | ± 5.6% | ± 3.3% | 0.029% |
Summer | 73.1% | 12.3% | 14.6% | 0.068% |
 | ± 4.4% | ± 6.0% | ± 2.3% | 0.035% |
Fall | 67.1% | 14.0% | 18.8% | 0.147% |
 | ± 5.6% | ± 0.5% | ± 5.1% | 0.047% |
 | Hours | |||
Season | Wake | Drowsy | Sleep | Daylight |
Winter | 11.6 | 3.58 | 8.8 | 9 |
 | ± 0.54 | ± 0.15 | ± 0.53 |  |
Spring | 16.02 | 3.67 | 4.28 | 13 |
 | ± 1.2 | ± 1.07 | ± 0.8 |  |
Summer | 17.53 | 2.96 | 3.51 | 21 |
 | ± 1.05 | ± 1.44 | ± 0.57 |  |
Fall | 16.13 | 3.36 | 4.56 | 14.29 |
 | ± 1.21 | ± 0.13 | ± 1.38 | ± 1.02 |