Antonyms for the idiom "work oneself to the bone" would be phrases that convey taking it easy, relaxing, or engaging in leisure activities. For instance, the phrases "take a day off," "unwind," "rest up," "recharge," "take a break," "loaf around," and "lay back" come to mind. In essence, the antonyms for "work oneself to the bone" emphasize the importance of maintaining a healthy work-life balance, recognizing that taking breaks and engaging in relaxing activities can help ward off burnout and promote overall wellbeing. Therefore, adopting a balanced approach to work and leisure can lead to increased productivity, improved health, and a better quality of life.