
ZzzBank
Health & Fitness
Only for iPhone
Free
iPhone
Track your sleep, borrow when needed, and repay with rest
▶ Borrow Sleep
Too busy to rest? Borrow sleep to stay focused.
▶ Repay Sleep
Pay back every hour you’ve borrowed.
Tap the notification to check your updated sleep data.
▶ Sleep History
View all your borrow and repay records.
▶ Meet Pebby
Your buddy changes with your sleep status.
Inspired by the “Sleep Bank” episode from the webtoon "Lee Mal-nyeon series". Special thanks for the inspiration.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
What’s New:
• Sleep battle results are now generated automatically with richer, more personalized insights.
• You can now chat with your Midnight Chat assistant - ask questions, explore tips, and get helpful sleep guidance.
The developer, Inho Lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Inho Lee
- Size
- 33.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Harry Lee