Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| sleep | 63 studies | 18,198 studies |
| Sleeping | 8 studies | 2,086 studies |
| Pittsburgh Sleep Quality Index | 61 studies | 2,362 studies |
| Sleep Quality | 63 studies | 7,428 studies |
| Quality of sleep | 23 studies | 1,012 studies |
| Insomnia | 5 studies | 3,114 studies |
| Index | 63 studies | 76,528 studies |
| indexed | -- | 394 studies |
| Indexing | -- | 49 studies |
| Target | -- | 29,428 studies |
| Target lesion | -- | 6,502 studies |
| Quality | 63 studies | 73,220 studies |
| Pittsburgh | 63 studies | 11,591 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 |