Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| sleep | 2,849 studies | 20,426 studies |
| Sleeping | 458 studies | 2,385 studies |
| Pittsburgh Sleep Quality Index | 2,835 studies | 2,835 studies |
| Sleep Quality | 2,849 studies | 8,605 studies |
| Insomnia | 549 studies | 3,565 studies |
| Quality of sleep | 342 studies | 1,148 studies |
| Index | 2,849 studies | 84,965 studies |
| Target | 209 studies | 32,403 studies |
| indexed | 9 studies | 444 studies |
| Indexing | 1 studies | 61 studies |
| Target lesion | -- | 7,054 studies |
| Quality | 2,849 studies | 80,933 studies |
| Pittsburgh | 2,849 studies | 12,508 studies |
| -- | No studies found |
| * | Number of studies in the search results containing the term or synonym |
| ** | Number of studies in the entire database containing the term or synonym |