Grab some z's, a colloquial phrase for sleeping, has a multitude of synonyms that are perfect for use in any situation. Some of the most common include catch some shut-eye, hit the hay, get some rest, take a nap, doze off, slumber, snooze, and rest up. These synonyms can be utilized in a variety of settings, from casual conversations to professional emails. Whether you are a student studying for a test, an employee in need of a quick power nap, or simply looking to recharge after a busy day, there is sure to be a synonym for "grab some z's" that fits your needs perfectly.