Histogram
Study Visit vs Standard deviation of time spent asleep over nighttime periods in minutes
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Intake | - | - | - | - | - | - | 433 | 433 |
| Visit 1 | 329 | 91.6 | ± 54.1 | 73.0 | 13.5 | 237.0 | 104 | 433 |
| Visit 2 | 320 | 83.6 | ± 64.9 | 54.3 | 14.0 | 367.5 | 113 | 433 |
| Visit 3 | 299 | 80.0 | ± 66.9 | 50.0 | 10.5 | 343.0 | 134 | 433 |
| Visit 4 | 259 | 70.6 | ± 59.8 | 48.0 | 3.5 | 273.5 | 174 | 433 |