The phrase "sleep sufficiently" is correct and can be used in written English.
It means to get enough sleep or to sleep for an adequate amount of time. It is commonly used when discussing the importance of getting enough sleep for maintaining good health. Example: "In order to stay healthy and focused, it is important to sleep sufficiently every night."
In Cluster 4 (66.5%; hereafter referred to as Reference) girls had the highest probability of sleeping sufficiently, the lowest likelihoods of smoking, with higher BMI or having internalizing problems, and a comparably high probability of exercising.
There's unlikely to be enough stimulation during the day for inmates to be sufficiently tired to get to sleep properly.
There she began to nurse him back to health with a rest cure, the frequently effective 19th-century therapy: favorite foods, reading him his most cherished books, especially Shakespeare, and calming him sufficiently so that he could sleep.
However, when used properly according to the directions and not left on while you sleep, electric blankets can warm a bed sufficiently to make it warm enough for you to drop off to sleep quickly.
Tinnitus may sufficiently affect everyday life, leading to sleep disorders, work disability, and psychiatric problems [Gopinath et al., 2010; Langguth et al., 2011; Schutte et al., 2009].
If, then node goes to sleep mode for event since its sensing region is covered sufficiently by neighboring nodes that would remain active.
Essentially, all time was scored as wake unless: (1) the sleep diary indicated that the player was lying down attempting to sleep and (2) the activity counts from the monitor were sufficiently low to indicate that the player was immobile.
I for one would need to be really quite heavily swaddled in plutocratic comforters before the terror of that prospect faded sufficiently for me to close my eyes and drift off happily again to sleep the day away.
Secondly, the regulations may not have been fully implemented in practice, they may have been implemented but the hours not reduced sufficiently, or house staff may not have used the additional time off to sleep.
