How do I get him to stop texting me in the middle of the night?

I just started dating this guy and instead of calling or texting me during normal hours, he sends me one liners in the middle of the night. We had a little tiff about something unrelated and last night he sent me a one word text in the middel of the night. No warm and fuzzy here. Usually I would respond to his text the next morning, but today I didn't. I don't know if I should just keep ignoring hime until he contacts me at a normal hour, or respond and ask him why he doesn't contact me during normal hours.
How do I get him to stop texting me in the middle of the night?
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