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🌙 Recommended for:

• Those who stay up late because of their phones

• Those who have trouble waking up in the morning and suffer from sleep deprivation every day

• Those who want to build healthy sleep habits

😴 The app for you who stay up all night because of your phone, Jaja

"Just a little more..." you say while looking at your phone, and suddenly it's 2 AM?

You worry about tomorrow morning, but can't seem to put your phone down?

Jaja notifies you with an alert at your target bedtime.

"It's time to sleep!" ✨ Key Features

Sleep Time Notifications
• Set target bedtimes/wake-up times
• Notifies you via notification when it is time to sleep

Sleep Record Management
• Automatically or manually record your daily sleep time
• Allows you to track habit improvements at a glance
• Check past sleep records on the calendar

Automatically Measures Sleep Debt
• Calculates insufficient sleep time
• Displays accumulated sleep debt in a graph
• Tells you how much more sleep you need

• No sign-up required

• No ads

💡 Usage Tips

1. Set your target bedtime

2. Set the notification frequency (e.g., repeat every 10 minutes)

3. A notification will sound when it is time to sleep

4. Tap "Sleep Now" and put your phone down

5. Your sleep record is automatically saved when you wake up in the morning

[Privacy Policy]

Jaja does not transmit sleep records to a server by default.

We only safely store records on the server for those who wish to keep them secure and unerasable.

We will provide guidance only to those who wish to change their smartphone or synchronize with another device. Once you complete the login, your sleep records will be stored on the server and synchronized to your other device.

If you do not wish to log in, your sleep records will absolutely not be transmitted to the server.

[Information on Accessibility Permission Usage]

The JAJA app uses the AccessibilityService API to assist users with their digital detox. This permission is used solely for the core 'Time-wasting Break' function, which induces relaxation by detecting the execution of blocked apps set by the user and browser URLs. No personal information is transmitted to or collected from the server.