Hi there! I’m sorry to hear that you're having trouble with the BetterSleep app. It's frustrating when an app keeps closing unexpectedly. Let’s work together to get this sorted out!

To start, could you let me know if you've tried any troubleshooting steps so far? For instance, have you restarted your device or checked for updates for either your app or your Android system?

Here’s a step-by-step approach that might help resolve the issue:

1. Restart Your Device: Sometimes, a simple restart can help clear temporary files and free up memory, which might be causing the app to close.

2. Check for App Updates: Go to the Google Play Store, search for BetterSleep, and see if any updates are available. Updating the app can often fix bugs that cause crashes.

3. Clear App Cache and Data:
- Go to Settings > Apps > BetterSleep.
- Tap on Storage.
- Tap on Clear Cache and then Clear Data.
- Note: Clearing data will reset the app, so you might lose any saved preferences.

4. Check Permissions: Make sure that BetterSleep has all the necessary permissions:
- Go to Settings > Apps > BetterSleep > Permissions.
- Ensure all needed permissions are granted.

5. Reinstall the App: If none of the above work, uninstall and then reinstall the BetterSleep app to ensure you have the latest version without any possible corrupted files.

Please give these steps a try, and let me know how it goes! Are you satisfied with the solution I provided?