| Part of speech | common noun |
|---|---|
| Class | u‐class |
| Afrikaans | slaap |
|---|---|
| Albanian | gjumë |
| Czech | spaní |
| Danish | søvn |
| Dutch | slaap; vaak |
| English | sleep |
| English (Old English) | slæp |
| Esperanto | dormo |
| French | sommeil |
| German | Schlaf |
| Greek | ύπνος |
| Hungarian | alszik; alvás |
| Italian | sonno |
| Latin | somnus; sopor |
| Papiamento | soño |
| Portuguese | sono |
| Romanian | somn |
| Saterland Frisian | Släip |
| Scottish Gaelic | cadal |
| Spanish | sueño |
| Sranan | sribi |
| Swedish | sömn |