The phrase "copping some z'" is an informal way of saying "getting some sleep." Therefore, some antonyms for this phrase include "staying awake," "pulling an all-nighter," "insomnia," "restlessness," and "sleep deprivation." These antonyms highlight the opposite of "copping some z'" and imply the absence of rest or relaxation. While "copping some z'" is essential for human well-being and productivity, its antonyms indicate a lack of quality sleep that can lead to physical and mental exhaustion. Therefore, it is vital to prioritize restful sleep by adopting healthy sleep habits, such as sticking to a consistent sleep schedule, creating a sleep-conducive environment, and avoiding caffeine and electronic devices before bedtime.