# Sleep Tracking
4 items
Actiwatch
Scientific-grade wearable device for tracking sleep-wake cycles and circadian rhythms. Used in research and clinical settings to understand biological time patterns and optimize work schedules.
Calm
Mindfulness and meditation app focused on sleep and relaxation, offering guided meditations, sleep stories, and soothing soundscapes to reduce stress and improve time awareness.
Peaks - Circadian Rhythm Tracker
iOS and Apple Watch app that uses the two-process model of sleep regulation to predict focus, fatigue, and recovery windows. Combines circadian rhythm with sleep pressure using NASA-level science to optimize daily scheduling, with complete offline functionality and local data storage for privacy.
Rise Science
Sleep and energy tracking app that measures sleep debt and predicts daily energy levels based on circadian rhythm, helping users optimize productivity through science-based sleep management.