If you tuck a child up in bed, you tuck them in. (BRIT) "She tucked them up in bed.", "He mostly stayed at home tucking up the children.", "She had gone to work believing Helen was safely tucked up in bed."
If you tuck a child up in bed, you tuck them in. She tucked them up in bed He mostly stayed at home tucking up the children She had gone to work believing Helen was safely tucked up in bed