Peaks app leverages Apple Health sleep data to pinpoint users' energy peaks, helping them schedule demanding tasks like work or workouts when their energy is highest. This addresses a common challenge: translating raw sleep metrics into actionable health insights.

The app provides detailed sleep quality analysis, including tracking sleep debt and recovery, alongside calendar integration for energy windows. Available free on iOS 18 and watchOS 11, Peaks Pro offers enhanced features like custom schedules and sleep scores via a $4.99/month or $29.99/year subscription. Peaks stands out by offering Apple Watch complications and iPhone widgets for instant energy visibility, making circadian rhythm management accessible without exclusive hardware dependence.