Terms and Synonyms Searched:
| Terms | Search Results* | Entire Database** |
|---|---|---|
| Synonyms | ||
| sleep | 3,228 studies | 17,971 studies |
| Sleeping | 270 studies | 2,059 studies |
| sleep problems | 3,159 studies | 7,264 studies |
| Sleep disorder | 1,720 studies | 4,481 studies |
| Dyssomnias | 1,680 studies | 4,040 studies |
| Sleep disturbances | 1,388 studies | 2,608 studies |
| Parasomnias | 384 studies | 863 studies |
| sleeping disorders | 3 studies | 47 studies |
| Disorder sleep | 2 studies | 8 studies |
| problems | 966 studies | 31,515 studies |
| Issue | 139 studies | 7,312 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 |