When it's time to take a break from the hustle and bustle of everyday life, it's nice to have a variety of synonyms for the phrase "rest up." Some options include "recharge," "rejuvenate," "regenerate," "refresh," "relax," "unwind," "recover," "recuperate," "revitalize," and "restock." Each of these words carries a slightly different connotation, but they all suggest taking a break in order to replenish your energy and prepare for whatever comes next. Whether you choose to sleep in, take a long bath, read a book, or simply enjoy some quiet time, there are many ways to rest up and get ready for whatever challenges life may bring.