Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
stages of sleep 1-4 | 0.77 | 0.4 | 8556 | 80 |
sleep stages 1 4 | 1.2 | 0.3 | 5710 | 35 |
stages 3 and 4 of sleep | 0.49 | 0.5 | 6335 | 16 |
the 4 stages of sleep | 1.85 | 0.2 | 8017 | 17 |
first four stages of sleep | 0.98 | 0.2 | 6025 | 73 |
what are the 4 sleep stages | 0.35 | 0.7 | 1894 | 52 |
explain the four stages of sleep | 1.87 | 0.5 | 3109 | 60 |
describe the four stages of sleep | 1 | 0.2 | 5986 | 7 |
four total stages of sleep | 1.52 | 0.6 | 2690 | 31 |
what are the four sleep stages | 1.68 | 0.2 | 9709 | 12 |
four stages of sleep psychology | 1.77 | 0.2 | 2218 | 21 |
stages of sleep pdf | 0.12 | 0.5 | 1847 | 34 |
what is the 4 stages of sleep | 1.17 | 0.6 | 7376 | 99 |
normal stages of sleep | 1.21 | 0.5 | 875 | 20 |