Best practices for maintaining health and well-being while preparing for UPSC include establishing a balanced routine incorporating regular exercise, adequate sleep, and nutritious meals. Creating a study schedule with breaks can prevent burnout and enhance productivity. Mindfulness practices such as meditation or yoga can alleviate stress, promoting mental clarity and focus. Additionally, engaging in social activities and pursuing hobbies can provide emotional support and foster a sense of community. Ultimately, prioritizing overall well-being is essential for sustaining motivation and achieving success in the challenging UPSC preparation process.