"Burn candle both ends" is a phrase that refers to pushing oneself too hard, while neglecting to take breaks or rest. This can lead to exhaustion, burnout, and a negative impact on physical and mental health. Some synonyms for this phrase include "overwork," "stretch oneself thin," "exhaust oneself," "overextend," and "overtax." It is important to prioritize self-care, listen to your body, and take necessary breaks in order to avoid burning the candle at both ends. This way, you can sustain a healthy and productive lifestyle, without sacrificing your well-being.