| Text | Length |
| Sleep inhibitor | 15 |
| Sleep initials | 14 |
| Sleep interrupter | 17 |
| Sleep interrupter, at times | 27 |
| Sleep interruption | 18 |
| Sleep irregularity | 18 |
| Sleep it off, maybe | 19 |
| Sleep lab acronym | 17 |
| Sleep lab concentration | 23 |
| Sleep lab letters | 17 |
| Sleep lab phenomenon | 20 |
| Sleep lab purchases | 19 |
| Sleep lab stat | 14 |
| Sleep lab studies | 17 |
| Sleep lab study | 15 |
| Sleep lab study, briefly | 24 |
| Sleep lab subject | 17 |
| Sleep letters | 13 |
| Sleep lightly | 13 |
| Sleep like -- | 13 |
| Sleep like a Brit? | 18 |
| Sleep like __ | 13 |
| Sleep like ___ | 14 |
| Sleep like ____ | 15 |
| Sleep like _____ | 16 |
| Sleep like_____ | 15 |
| Sleep loudly | 12 |
| Sleep malady | 12 |
| Sleep measure | 13 |
| Sleep medication | 16 |
| Sleep metaphor | 14 |
| Sleep movements | 15 |
| Sleep noisily | 13 |
| Sleep obstacle | 14 |
| Sleep on it | 11 |
| Sleep period | 12 |
| Sleep periods | 13 |
| Sleep phase | 11 |
| Sleep phase initials | 20 |
| Sleep phase, briefly | 20 |
| Sleep phase, familiarly | 23 |
| Sleep phase, for short | 22 |
| Sleep phases | 12 |
| Sleep phenom | 12 |
| Sleep phenom, for short | 23 |
| Sleep phenom. | 13 |
| Sleep phenomena | 15 |
| Sleep phenomenon | 16 |
| Sleep phenomenon, for short | 27 |
| Sleep poorly | 12 |
| Sleep precursor | 15 |
| Sleep preventer | 15 |
| Sleep problem | 13 |
| Sleep problem, to Brits | 23 |
| Sleep research tool, briefly | 28 |
| Sleep researcher's abbr. | 28 |
| Sleep restlessly | 16 |
| Sleep segment | 13 |
| Sleep site | 10 |
| Sleep sites | 11 |
| Sleep sound | 11 |
| Sleep sound? | 12 |
| Sleep soundly? | 14 |
| Sleep spoiler | 13 |
| Sleep spots | 11 |
| Sleep stage | 11 |
| Sleep stage for short | 22 |
| Sleep stage abbr. | 17 |
| Sleep stage letters | 19 |
| Sleep stage, briefly | 20 |
| Sleep stage, for short | 22 |
| Sleep stage, initially | 22 |
| Sleep stage: Abbr. | 18 |
| Sleep stages | 12 |
| Sleep stages, briefly | 21 |
| Sleep state | 11 |
| Sleep state abbreviation | 24 |
| Sleep state for an electronic device | 36 |
| Sleep state initials | 20 |
| Sleep state, for short | 22 |
| Sleep stopper | 13 |
| Sleep study abbr. | 17 |
| Sleep study diagnosis, perhaps | 30 |
| Sleep study measurement | 23 |
| Sleep symbols | 13 |
| Sleep threatener | 16 |
| Sleep time | 10 |
| Sleep trouble | 13 |
| Sleep uneasily | 14 |
| Sleep unit? | 11 |
| Sleep unsoundly | 15 |
| Sleep with, in slang | 20 |
| Sleep with, less politely | 25 |
| Sleep __ | 8 |
| Sleep __ (computer setting) | 27 |
| Sleep ___ | 9 |
| Sleep ___ (breathing problem) | 29 |
| Sleep ___ (decide in the morning) | 33 |
| Sleep ___ (decide overnight) | 28 |
| Sleep ___ (decide tomorrow) | 27 |
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