trouble sleeping: cannot breathe comfortably
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 380 | 14.8% |
| don't know | -1 | 108 | 4.21% |
| not during the past month | 1 | 1723 | 67.1% |
| less than once a week | 2 | 168 | 6.54% |
| once or twice a week | 3 | 102 | 3.97% |
| three or more times a week | 4 | 87 | 3.39% |
| Total | 2568 | 100.0% |



