Histogram
Usual number of hours of sleep per night, on weekdays or workdays, over the last 4 weeks vs Study Visit
Intake | Visit 1 | Visit 2 | Visit 3 | Visit 4 | |
---|---|---|---|---|---|
Total | 433 | 433 | 433 | 433 | 433 |
< 3 hours | 2 | - | 1 | 1 | - |
3.5 hours | 3 | - | - | 1 | - |
4 hours | 4 | - | 3 | 2 | - |
4.5 hours | 4 | - | 3 | 3 | - |
5 hours | 10 | - | 12 | 12 | - |
5.5 hours | 12 | - | 16 | 10 | - |
6 hours | 37 | - | 31 | 29 | - |
6.5 hours | 29 | - | 27 | 25 | - |
7 hours | 62 | - | 47 | 34 | - |
7.5 hours | 23 | - | 11 | 19 | - |
8 hours | 33 | - | 14 | 11 | - |
8.5 hours | 2 | - | 1 | 1 | - |
9 hours | 1 | - | 2 | 3 | - |
9.5 hours | - | - | - | - | - |
10 hours | - | - | - | - | - |
10.5 hours | - | - | - | - | - |
11 hours | 1 | - | - | - | - |
> 11 hours | - | - | 3 | 1 | - |
Unknown | 210 | 433 | 262 | 281 | 433 |