| Sleep-awake stages: Actigraphic prediction (epoch) | Sleep-awake stages discriminated by video-recorded data (n = 13) | |||
| Sleep (82) | Light sleep (48) | Wakefulness (1056) | Total (1186) | |
| Sleep | 51 | 72 | 0 | 78 |
| Light sleep | 18 | 17 | 15 | 50 |
| Wakefulness | 13 | 4 | 1041 | 1058 |
| Total | 82 | 93 | 1056 | 1186 |