| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] few hours [unc] sleep | 9 |
|
| 2 | a few hours [unc] sleep | 9 |
|
| 3 | a few hours [unc] sleep | 9 |
|
| 4 | [art] few hours [unc] sleep | 9 |
|
