興味深い
街並み見たさに使い出したけど、睡眠の申告をし忘れてしまいます。しっかり寝て忘れずに申告して早く街を完成させたいです😊
Free
In-App Purchases
About
This app transforms your sleep into a currency that funds urban development. As you sleep, your "Sleep Yen" accumulates and is used to build and upgrade a city that evolves from gray concrete to a vibrant, glowing metropolis. Watch your city grow each morning through your window.
✓Sleep converted to city development funds
✓AI-generated city evolution in 7 stages
✓Customizable city themes (Japanese, Cyberpunk)
✓Morning window view of your city
✓Save completed cities to collection
Show original description
What's New in Sleep Window
1.5.0
May 5, 2026
バグの修正
Subscription plans
特権階級
課税税率の半減、月一回の恩赦免除、広告非表示
$2.991 Month
1
In-App Purchases
$0.99
特別恩赦令（記録復元）
枯渇した時間資産を全回復し、消失寸前の連続防衛記録を特例として完全に復元する使い切りアイテムです。
User reviews
Developer apps
FAQ
How does Sleep Window track sleep?
Sleep Window uses your reported sleep and wake times to calculate "Sleep Yen." This is a gamified approach to sleep tracking, where your reported duration directly impacts in-game currency and city development, rather than using biometric sensors.
What are the subscription plans for Sleep Window?
Sleep Window offers three subscription plans, all priced at $2.99/month or $5.99/month for Premium. These plans likely unlock additional features or enhance the city-building experience.
Can I cancel my Sleep Window subscription?
Yes, users can typically cancel their subscriptions at any time through their device's app store settings. It is recommended to check the specific cancellation policy within the app or your device's subscription management.
What is the age rating for Sleep Window?
Sleep Window has an age rating of 4+, making it suitable for a wide range of users. This indicates that the content is generally appropriate for young children and older audiences.
How often is Sleep Window updated?
The latest version of Sleep Window is 1.5.0, and it was last updated on May 5, 2026. This suggests a relatively active development cycle, with updates occurring approximately every few months.
Does Sleep Window have ads?
No, Sleep Window does not contain advertisements. The app is free to download and offers in-app purchases and subscription plans for monetization.
What devices support Sleep Window?
Sleep Window is available on both iPhone and iPad devices. This broad compatibility ensures that users on Apple's mobile ecosystem can enjoy the application.
What makes Sleep Window unique compared to other sleep trackers?
Unlike traditional sleep trackers that focus solely on data analysis, Sleep Window gamifies sleep by turning it into a resource for building and evolving a virtual city. This provides a visual and engaging reward for maintaining healthy sleep habits.
