Safety of his covers?

Jason did his best to ignore the feeling. After washing his hands, he rushed back to bed, shivering as he climbed under the covers. The room felt colder now. He wrapped an arm around Emily and lay still, but sleep didn’t come easily. Every creak made his heart race. He told himself it was just the old cabin settling, finding logical excuses until, finally, after about an hour, sleep took over.
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