In this episode of the 10% Happier Podcast, Dan Harris interviews Marielle Segarra, host of NPR's Life Kit, about practical approaches to fitness, sleep, and play. Marielle shares her top takeaways from covering health and wellness, including incorporating small exercise pockets throughout the day by pairing them with existing routines, temptation bundling by associating workouts with enjoyable activities like watching favorite TV shows, and finding an exercise accountability buddy. They discuss strategies for improving sleep, such as finding the ideal sleep duration in 15-minute increments, addressing revenge bedtime procrastination by creating a relaxing bedroom environment, and maintaining a cool room temperature. Marielle emphasizes the importance of play as a basic human need, suggesting listeners reconnect with childhood play styles and adopt a playful mindset to enhance creativity and overall well-being, using the SPARK acronym (Space, Passions, Attract, Rebellion, Keep at it) as a guide.