Sentences describing a cold night, talk about mood.

It's cold at night, just turn on the warm air and use the electric mattress. Keep warm.

It's windy outside, and it's particularly cold at night. At this time, the bankrupt boss, who was heavily in debt, curled up in a thin quilt, full of thoughts about how to get out of the trough, but could not find his own way, and his spirit almost collapsed.