Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
stages of sleep and brain waves | 0.7 | 0.8 | 612 | 29 |
brain waves during sleep stages | 1.92 | 1 | 2488 | 47 |
brain waves during different stages of sleep | 0.46 | 0.1 | 3160 | 66 |
what brain waves do you see on sleep stages | 0.32 | 1 | 8417 | 23 |
brain waves during sleep | 0.4 | 0.2 | 9798 | 26 |
brain waves in stage 1 sleep | 1.63 | 0.2 | 7046 | 15 |
brain wave patterns during sleep | 0.85 | 0.5 | 5451 | 20 |