Night Ledger
A private sleep diary
About
This private sleep diary helps you understand your sleep patterns to improve sleep quality. Log your sleep, track trends, and export reports to share with healthcare professionals. All data remains securely on your device.
What's New in Night Ledger
1.0.3
September 21, 2026
Ribbon taps open the time adjustment sheet again, so you can drag marks to set times.
Developer apps
FAQ
What is Night Ledger?
Night Ledger is a private sleep diary designed for iPhone to help users understand their sleep patterns. It allows you to log sleep, track trends, and export reports for sharing with healthcare providers.
Is Night Ledger free to use?
Yes, Night Ledger is completely free to download and use. There are no in-app purchases or subscription fees associated with its core functionality.
Does Night Ledger have ads?
No, Night Ledger is ad-free. The app is designed to provide a private and uninterrupted experience for users tracking their sleep.
What devices does Night Ledger support?
Night Ledger is currently available for iPhone. It is designed to work on iOS devices.
How does Night Ledger ensure privacy?
All data logged in Night Ledger stays on your device. There is no account creation, iCloud sync, or data uploaded to external servers, ensuring maximum privacy.
Can I share my sleep data with my doctor using Night Ledger?
Yes, Night Ledger allows you to export your sleep data in PDF, CSV, and JSON formats. This makes it easy to share comprehensive reports with your clinician, therapist, or care team.
How often is Night Ledger updated?
The latest version of Night Ledger is 1.0.3, last updated on September 21, 2026. Updates are released to improve functionality and reliability.
What age rating does Night Ledger have?
Night Ledger has an age rating of 12+. This indicates it is suitable for users aged 12 and older.
