| deep sleep | 6.12 | Deep sleep. | ||
| little sleep | 1.45 | You can have a nice little sleep in the car. | ||
| fitful sleep | 0.99 | Fitful sleep for both of us. | ||
| good sleep | 0.92 | A good sleep. | ||
| long sleep | 0.79 | You had a nice long sleep. | ||
| sound sleep | 0.79 | She had woken me out of a sound sleep. | ||
| restful sleep | 0.66 | The repeated cycles rob sufferers of restful sleep. | ||
| severe sleep | 0.66 | Now there is a new compound - modafinil - which can treat the severe sleep disorder narcolepsy. | ||
| light sleep | 0.59 | I fell into a light sleep. | ||
| adequate sleep | 0.46 | He is suffering from want of adequate sleep. | ||
| dreamless sleep | 0.46 | Wonderful dreamless sleep engulfed him every night. | ||
| extra sleep | 0.46 | Just give us a little extra sleep time. | ||
| poor sleep | 0.46 | Frequent worrying, poor sleep and depressive states can also decrease efficiency. | ||
| restless sleep | 0.46 | It was a restless sleep. | ||
| disturbed sleep | 0.39 | Nonetheless, some children still experience bad dreams, disturbed sleep and eating disorders. | ||
| lost sleep | 0.39 | It was worth the lost sleep. | ||
| troubled sleep | 0.39 | She fell into a troubled sleep. | ||
| better sleep | 0.33 | The Hilton booklet offers tips for getting better sleep. | ||
| deeper sleep | 0.33 | As we go into deeper sleep, it reduces even further. | ||
| first sleep | 0.33 | But that night, I had the first decent sleep since coming home. |