ShiftSleep is a shift sleep planner designed to help night shift workers and nurses optimize their circadian rhythm. It transforms your roster into a practical sleep plan, providing guidance on bedtime, wake time, caffeine cutoff, and recovery. The app offers shift-aware sleep planning, ensuring your rest aligns with your work schedule. It provides bedtime and wake time guidance, caffeine cutoff reminders to protect deep sleep, and personalized nudges for sleep, wake, and recovery actions. ShiftSleep also offers visibility into fatigue and recovery, helping users manage their well-being effectively. It is free to start and available as an iPhone app.