| Text | Length |
| Sleep problem | 13 |
| Sleep preventer | 15 |
| Sleep precursor | 15 |
| Sleep poorly | 12 |
| Sleep phenomenon, for short | 27 |
| Sleep phenomenon | 16 |
| Sleep phenomena | 15 |
| Sleep phenom. | 13 |
| Sleep phenom, for short | 23 |
| Sleep phenom | 12 |
| Sleep phases | 12 |
| Sleep phase, for short | 22 |
| Sleep phase, familiarly | 23 |
| Sleep phase, briefly | 20 |
| Sleep phase initials | 20 |
| Sleep phase | 11 |
| Sleep periods | 13 |
| Sleep period | 12 |
| Sleep on it | 11 |
| Sleep obstacle | 14 |
| Sleep noisily | 13 |
| Sleep movements | 15 |
| Sleep metaphor | 14 |
| Sleep medication | 16 |
| Sleep measure | 13 |
| Sleep malady | 12 |
| Sleep loudly | 12 |
| Sleep like_____ | 15 |
| Sleep like _____ | 16 |
| Sleep like ____ | 15 |
| Sleep like ___ | 14 |
| Sleep like __ | 13 |
| Sleep like a Brit? | 18 |
| Sleep like -- | 13 |
| Sleep lightly | 13 |
| Sleep letters | 13 |
| Sleep lab subject | 17 |
| Sleep lab study, briefly | 24 |
| Sleep lab study | 15 |
| Sleep lab studies | 17 |
| Sleep lab stat | 14 |
| Sleep lab purchases | 19 |
| Sleep lab phenomenon | 20 |
| Sleep lab letters | 17 |
| Sleep lab concentration | 23 |
| Sleep lab acronym | 17 |
| Sleep it off, maybe | 19 |
| Sleep irregularity | 18 |
| Sleep interruption | 18 |
| Sleep interrupter, at times | 27 |
| Sleep interrupter | 17 |
| Sleep initials | 14 |
| Sleep inhibitor | 15 |
| Sleep inducers, once | 20 |
| Sleep inducers | 14 |
| Sleep inducer, perhaps | 22 |
| Sleep inducer of song | 21 |
| Sleep inducer of a sort | 23 |
| Sleep inducer | 13 |
| Sleep indicators | 16 |
| Sleep in the woods | 18 |
| Sleep in a tent, say | 20 |
| Sleep in a tent | 15 |
| Sleep image | 11 |
| Sleep guy, supposedly | 21 |
| Sleep for far less than eight hours | 35 |
| Sleep fitfully | 14 |
| Sleep extender | 14 |
| Sleep experience | 16 |
| Sleep enders | 12 |
| Sleep ender, maybe | 18 |
| Sleep en la tarde | 17 |
| Sleep Eazy, on "The Simpsons" | 39 |
| Sleep disturbers | 16 |
| Sleep disturber, possibly | 25 |
| Sleep disturber | 15 |
| Sleep disturbance | 17 |
| Sleep distracter | 16 |
| Sleep disruptions | 17 |
| Sleep disruption | 16 |
| Sleep disrupter | 15 |
| Sleep disorder that means "breathless" in Greek | 57 |
| Sleep disorder | 14 |
| Sleep discourse | 15 |
| Sleep destroyer | 15 |
| Sleep cycles | 12 |
| Sleep cycle, for short | 22 |
| Sleep cycle phenomena | 21 |
| Sleep cycle occurrences | 23 |
| Sleep cycle letters | 19 |
| Sleep cycle | 11 |
| Sleep clothes, for short | 24 |
| Sleep clinic topic | 18 |
| Sleep clinic study | 18 |
| Sleep clinic concern | 20 |
| Sleep cessation disorders | 25 |
| Sleep bringer | 13 |
| Sleep briefly | 13 |
| Sleep breathing problem | 23 |
| Sleep badly | 11 |
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