Antonyms for the phrase "catch some z's" would include words that describe being alert, awake, or attentive. These words might include: wide awake, conscious, aware, vigilant, or attentive. Other antonyms might describe activities or experiences that are energizing, stimulating, or invigorating, such as: exercise, meditation, caffeine, or creative pursuits. Alternatively, antonyms for "catch some z's" could describe situations or environments that make falling asleep difficult or impossible, such as noisy, bright, or uncomfortable surroundings. Whatever the antonym, it is clear that "catching some z's" is a valuable and important activity for maintaining physical and mental well-being.
