Understanding your chronotype, or internal clock, is crucial to optimizing productivity. Research by Daniel H. Pink reveals that everyone experiences three phases over the course of the day: peak, trough, and rebound, with most people experiencing their lowest energy levels after lunch. However, this doesn't mean that work during the trough is impossible; instead, it's ideal for creative tasks. By identifying your chronotype through methods such as answering questions or using a quiz, you can schedule your daily tasks according to your unique productivity rhythms. This involves separating tasks into analytical and creative buckets and creating a schedule based on when each type of task is most productive. Even if your schedule isn't flexible, taking breaks and giving your mind time to relax can help improve focus and productivity during the trough phase.