| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free sleep sounds mp3 online | 0.09 | 0.4 | 1528 | 34 |
| free sleep sounds download | 0.61 | 1 | 5899 | 12 |
| free downloadable sleep sounds | 0.22 | 1 | 1832 | 63 |
| sleep sounds for free | 0.28 | 0.9 | 3272 | 90 |
| free sound sleep sounds | 1.41 | 0.7 | 173 | 49 |
| free sleep music and sounds | 1.01 | 0.8 | 6471 | 47 |
| free sleeping sounds download | 1.55 | 0.1 | 8652 | 54 |
| sound for sleeping free | 0.9 | 0.9 | 5457 | 44 |
