G5258–ὕπνος–hupnos

And Joseph, having risen from the sleep, did as the messenger of the Lord directed him, and received his wife,

ὕπνου hupnou “sleep”

but Peter and those with him were heavy with sleep, and having waked, they saw his glory, and the two men standing with him.

ὕπνῳ. hupnō “with sleep.”

but Jesus had spoken about his death, but they thought that about the repose of sleep he speaketh.

ὕπνου hupnou “of sleep”

and there was sitting a certain youth, by name Eutychus, upon the window -- being borne down by a deep sleep, Paul discoursing long -- he having sunk down from the sleep, fell down from the third story, and was lifted up dead.

ὕπνῳ hupnō “by sleep”ὕπνου hupnou “sleep”

And this, knowing the time, that for us, the hour already `is' to be aroused out of sleep, for now nearer `is' our salvation than when we did believe;

ὕπνου hupnou “sleep”