Hi there! It sounds like you're having trouble signing into your Sleep Number account, with the message saying "Oops, something went wrong." Let’s work together to figure this out.

First, I’d like to gather some more details:
- Have you recently updated the Sleep Number app or your device's operating system?
- Is your internet connection stable?
- Have you tried restarting your device or checking if you're using the correct email and password?

Here are a few troubleshooting steps that you can try:

1. Check the Internet Connection: Make sure you have a stable internet connection. If you're on Wi-Fi, try switching to mobile data, or vice versa.

2. Restart Your Device: Sometimes, a simple restart can resolve connectivity issues. Please turn off your Android device and turn it back on after a minute.

3. Update the App: Ensure you're running the latest version of the Sleep Number app. You can check for updates in the Google Play Store and install any available updates.

4. Clear Cache and Data:
- Go to Settings on your device.
- Select Apps or Applications.
- Find and tap on the Sleep Number app.
- Select Storage and then Clear Cache. If that doesn't work, you can also try Clear Data (please note this might require you to log in again).

5. Incorrect Login: If you're sure the email and password are correct but you are still having trouble, you might consider resetting your password. There should be a "Forgot Password" option on the login screen.

If you have tried these steps and the issue persists, I can assist further. It might be worth checking if there are any known server issues with Sleep Number.

Are you satisfied with the solution I provided, or would you like to go through some more detailed steps?