Learn Japanese: yoru

夜よる represents the time from sunset to sunrise. 夜よる thus includes the time while you're asleep, whereas 晩ばん does not.

夜よる represents the time from sunset to sunrise. 夜よる thus includes the time while you're asleep, whereas 晩ばん does not.

Breakdown of yoru

Even if you put a lid on your person and the winter is dotted, the night will still be cold.