An expression used to dismiss an extremely foolish statement, or to dismiss somebody that one does not feel like talking to.(interjection)
To fall asleep(verb)
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Use "go to sleep" in a sentence
"I willed myself to go to sleep but my mind would not stop, imagining the hell of being married to Wade Barton, thinking on Joseph John alone out in the desert."
"Everyone is about to go to sleep in Novy Svet, the new world that suddenly feels so old."
"Dogs, when they wish to go to sleep on a carpet or other hard surface, generally turn round and round and scratch the ground with their fore-paws in a senseless manner, as if they intended to trample down the grass and scoop out a hollow, as no doubt their wild parents did, when they lived on open grassy plains or in the woods."