Sleep Debt Tracker

Ever wonder why you're so tired? Sleep Debt Tracker answers that question by calculating how much sleep you owe your body. Unlike other sleep apps that focus on sleep quality or cycles, Sleep Debt Tracker focuses on the simple math: are you getting enough hours? Over days and weeks, even small deficits add up into serious sleep debt that affects your energy, mood, and health. FEATURES: • Quick Sleep Log — Slide to log how many hours you slept in seconds • Detailed Log — Enter exact bedtime and wake time for precision • Cumulative Sleep Debt — See your rolling 7-day and 14-day debt totals • Weekly Bar Chart — Visual comparison of actual sleep vs your target • Monthly Calendar Heatmap — See your sleep patterns at a glance • Recovery Planner — Get a personalized plan to pay back your sleep debt • Trends & Insights — Discover patterns like weeknight vs weekend differences • Bedtime Reminder — Set a gentle nudge to get to bed on time • Customizable Target — Set your ideal sleep goal (6-10 hours) • Export Data — Download your sleep history as CSV • Beautiful Dark Theme — Designed for bedtime use with calming colors • Works Offline — All data stored locally on your device • No Account Required — No sign-up, no cloud, complete privacy The app uses a calming deep purple and blue color palette with gentle star animations, designed specifically for use at bedtime when you want minimal eye strain. Start tracking tonight and discover the real reason you're tired. Your body keeps score — Sleep Debt Tracker helps you see it.