"To make the bed" means to arrange the sheets, blankets, and pillows neatly on a bed so that it looks tidy and inviting.
Sentences with «to make the bed»
Redemption lies on the other side of judgment, and there are lost men who make their beds in hell. (religion-online.org)
I don't make my bed with all the decorative throw pillows every morning, but I always pull the sheets and blankets up and cover the pillows. (thefashionablehousewife.com)
It's funny too if I don't make the bed for some reason I feel like I'm dragging myself through the day. (theinspiredroom.net)