| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| stage w sleep | 1.44 | 0.2 | 3832 | 10 | 13 |
| stage | 1.86 | 1 | 2541 | 7 | 5 |
| w | 0.3 | 0.9 | 2336 | 93 | 1 |
| sleep | 1.55 | 0.2 | 9302 | 93 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| stage w sleep | 1.54 | 0.4 | 6920 | 90 |
| what are the characteristics of sleep stage w | 1.69 | 0.9 | 5604 | 61 |
| what are the characteristics of stage 1 sleep | 1.37 | 0.8 | 3093 | 83 |
| what are the stages of sleep | 0.67 | 0.2 | 8344 | 65 |
| discuss the stages of sleep | 1.38 | 0.5 | 6816 | 100 |
| describe the stages of sleep | 1.78 | 0.6 | 6094 | 64 |
| stages of sleep descriptions | 1.09 | 0.5 | 8883 | 99 |
| what is a normal sleep stage | 1.87 | 0.3 | 9884 | 60 |
| sleep and stages of sleep | 1.58 | 0.9 | 9142 | 51 |
| wake stage of sleep | 0.02 | 0.1 | 4284 | 71 |
