The phrase "makes sleepy" can be easily expressed through its antonyms. Some of the most common antonyms of this phrase are "wakes up," "energizes," "invigorates," "stimulates," and "refreshes." Instead of making you feel drowsy, these words indicate a state of alertness, attention, and activity. By using these antonyms, you can describe activities or objects that have the opposite effect of making you feel sleepy, such as drinking coffee, taking a brisk walk, listening to upbeat music, or engaging in a stimulating conversation. So, if you're looking for ways to avoid feeling drowsy or lethargic, you can try some of these antonyms and see the difference they make in your energy levels.