| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | couple [prep] [noun pl] ' sleep | 9 |
|
| 2 | couple [prep] [noun] ' sleep | 9 |
|
| 3 | couple of [noun] ' sleep | 9 |
|
| 4 | couple [prep] hours ' sleep | 9 |
|
| 5 | couple [prep] hour ' sleep | 9 |
|
| 6 | couple [prep] [noun] ' sleep | 9 |
|
