Sleep Ledger: Debt Tracker
Pay Off Sleep Debt Daily
About
This app analyzes your sleep data from Apple Health to calculate your sleep debt and provides a personalized daily plan to help you recover. It offers insights into sleep quality and a clear path to reaching your sleep goals.
What's New in Sleep Ledger
1.11.2
August 10, 2026
What's New in v1.11.2 — A Clearer Path Through Your Free Trial NEW - See exactly how your free trial works: a step-by-step timeline on the paywall, "no charge today" reassurance, and a reminder before the trial ends. - Canceled or expired subscriptions now take effect in the app immediately — no relaunch needed. IMPROVED - Your weekly summary now includes manual sleep entries and naps, so it always matches your dashboard. - The recovery plan counts your manual corrections too — one consistent debt balance everywhere. - Speaking your language: durations, Siri's last-night summary, and subscription details are now properly localized in Japanese, German, French, and Korean. - History opens faster, and heart-rate & HRV details load sooner. FIXED - Sleep debt and recommended bedtime now agree on every screen. - The recovery projection no longer wiped your remaining debt in rare configurations. - Apple Watch sync is sturdier and safely ignores malformed data. Questions or ideas? Settings → Contact reaches us directly.
MoreSubscription plans
Monthly
Full access to all premium features, billed monthly.
In-App Purchases
$79.99
Lifetime
One-time purchase. Unlock all premium features forever.
Developer apps
FAQ
How does Sleep Ledger calculate sleep debt?
Sleep Ledger calculates sleep debt by analyzing your past 14 days of sleep history from Apple Health. It uses a quality-weighted score that considers sleep stages like Deep, REM, and Core, along with HRV data in the premium version, to determine the effectiveness of your sleep.
What is the recovery plan in Sleep Ledger?
The recovery plan is a personalized, day-by-day schedule generated by Sleep Ledger. It provides recommended bedtimes to help you pay back your accumulated sleep debt and reach zero debt by a target date, which is visible in the premium version.
Can I see my sleep debt without opening Sleep Ledger?
Yes, Sleep Ledger offers Lock Screen widgets, Home Screen widgets, and Apple Watch complications. These allow you to view your current sleep debt balance and tonight's recommended bedtime at a glance, without needing to open the app.
Is my sleep data kept private with Sleep Ledger?
Sleep Ledger is designed with privacy in mind, processing all sleep, heart rate, and HRV data entirely on your device. It does not require account creation, uses no analytics SDKs, and has no advertising or third-party trackers.
What features are available for free in Sleep Ledger?
The free version of Sleep Ledger includes sleep debt calculation with a 14-day rolling window, recommended bedtimes, manual sleep entry, Lock Screen widgets, Apple Watch complications, bedtime reminders, and Siri Shortcuts.
What are the benefits of the premium version of Sleep Ledger?
The premium version unlocks advanced features such as 14-day debt trend charts, a detailed day-by-day recovery plan with a target zero-debt date, quality-weighted debt scoring using sleep stages and HRV, and sleep stage breakdown charts.
How often is Sleep Ledger updated?
Sleep Ledger was last updated on May 26, 2026, with version 1.10.1. This indicates a recent update, suggesting ongoing development and support for the application.
What devices does Sleep Ledger support?
Sleep Ledger is available for iPhone and Apple Watch. The app is designed to leverage the capabilities of both devices for a comprehensive sleep tracking and analysis experience.