The phrase "cops some z'" means to get some sleep or to take a nap. Some antonyms for this phrase include staying awake, being alert, or staying up all night. Other antonyms for "cops some z'" could also include being restless, unable to sleep, or having insomnia. These antonyms are often associated with conditions such as anxiety, stress or jet lag that can prevent individuals from getting the sleep they need. It is important to note that while some people may view sleep as a luxury, research shows that adequate rest is essential for overall health and well-being.