The phrase "makes bed and lie it" refers to the act of preparing a bed for sleep and then sleeping in it. Synonyms for this phrase include "tucking in," "bedding down," "settling in," and "nestling." These terms all imply the act of creating a comfortable and safe sleeping environment and then resting peacefully in it. Other related phrases that could be used synonymously include "turning in," "getting under the covers," and "hitting the hay." Ultimately, these phrases all describe the same act of preparing oneself for sleep and then enjoying a restful, rejuvenating night's sleep.