| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| evolutionary psychology theory of sleep | 1.17 | 0.4 | 1125 | 17 | 39 |
| evolutionary | 0.41 | 0.3 | 8670 | 96 | 12 |
| psychology | 0.05 | 1 | 5069 | 68 | 10 |
| theory | 0.68 | 0.1 | 4569 | 15 | 6 |
| of | 0.7 | 0.4 | 9420 | 59 | 2 |
| sleep | 0.07 | 0.8 | 8639 | 21 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| evolutionary psychology theory of sleep | 1.38 | 0.1 | 4177 | 46 |
| evolutionary hypothesis about sleep | 2 | 0.5 | 5401 | 86 |
| theories of sleep psychology | 0.95 | 0.1 | 4499 | 77 |
| evolutionary function of sleep | 1.86 | 0.2 | 1421 | 41 |
| the evolution of sleep | 0.81 | 0.1 | 1633 | 26 |
| evolutionary insights into sleep evolution | 1.46 | 0.8 | 8064 | 39 |
| adaptive theory of sleep psychology | 1.46 | 0.2 | 6451 | 4 |
| evolution of sleep in humans | 0.07 | 0.3 | 2609 | 56 |
| the origins and evolution of sleep | 1.71 | 0.9 | 9767 | 47 |
| what theories explain the function of sleep | 1.88 | 1 | 9898 | 63 |
| sleep theories ap psychology | 1.76 | 0.2 | 3630 | 14 |
| the role that sleep plays in evolution | 1.65 | 0.8 | 6363 | 33 |
| theories of why we sleep | 1.24 | 0.4 | 6095 | 92 |
| theories explaining the purpose of sleep | 0.41 | 0.7 | 4005 | 54 |
| theories about sleep duration | 0.9 | 0.3 | 6936 | 31 |
