"Getting shut-eye" is an idiomatic expression that refers to sleeping or taking a nap. Some possible antonyms for this phrase include staying awake, remaining alert, or being restless. Other antonyms might include being active, engaged, or concentrated, such as working, studying, or socializing. Being wide awake, alert, and energized could also serve as opposite meanings for "getting shut-eye." Alternatively, some antonyms could describe a lack of sleep or rest, such as insomnia or sleep deprivation. Whatever the context or situation, having a clear understanding of antonyms for "getting shut-eye" can help you accurately express your thoughts and feelings in any given moment.