There are lots of questions which might fit that answer. Your two suggestions are grammatically correct, but would probably not be used by a native speaker. Some suggestions:
"Did they have a quiet night?"
"How was their overnight stay?"
"Did they have a comfortable room last night?"
"Why are Jack and Jill looking so tired this morning?"
Or - if you wanted to be mischievous:
"How was their honeymoon?"
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