tuck up
Intermediate (B1)informal
To make someone cosy in bed by pulling the blankets around them tightly, or to pull your legs up close to your body.
"Grandma tucked the twins up and read them a story."
Hear it in context

Tea for The Stone - Jon's Journal 22
Townsends Journal · 8:43
tuck up my petticoats and off I go.

Mornings Are Better with Ree Drummond's Crispy A.M. Wraps 🥚🌯 | The Pioneer Woman | Food Network
Food Network · 12:23
So, to roll the wrap, I'm going to tuck up the edges,

Can a Pro Golfer Help Me Win a Match?!
Cole Anderson-James · 1:29
So you need to feel like you tuck up your pelvis attached more that way.