From Longman Dictionary of Contemporary Englishtuck somebody ↔ up phrasal verb1 COMFORTABLEto make someone comfortable in bed by arranging the sheets around them Dad tucked me up in his and Carrie’s bed.2 LIE DOWNSIT be tucked up in bed informal to be lying or sitting in bed I ought to be tucked up in bed now. → tuck→ See Verb table
Examples from the Corpus
tuck up• She laid Thomas down in his cot and tucked him up.• The history class working in a structure of earth-coloured sticks tucked half way up a steep slope.• He tucks me up and he tucks Radish up too, and he kisses both our noses which makes me giggle again.• After the ball Dot tucked her up in bed and promised her a cup of cocoa with brandy in it.• Perhaps some one's still there, or she's tucking Darius up in bed.• I tucked the flashlight up under my arm and prayed that I was inserting the proper key into the lock.• Mr Prager was tucking her hair up under the edges of the hat.be tucked up in bed• At about midnight when all the children were tucked up in bed we visited the Grotto.• Five minutes later she was tucked up in bed, sleeping happily once again, while Jake had retreated to his little ante-room.• Most girls never drink or smoke, and are tucked up in bed by midnight.• Next day John is tucked up in bed at his flat in Tufnell Park. 