You can check your Sleep Pass on the home screen to see if you’re using a Regular Pass or a Premium Pass.
You can also check your Premium Pass subscription status and validity period in your platform’s purchase history.
If you are using the App Store:
Please see here to learn how to confirm your subscription status.
If you are using Google Play:
Please see here to learn how to confirm your subscription status.
Note: If you are transferring data between different operating systems and changing the platform through which you are purchasing your subscription, please cancel the subscription first. Then, after the Premium Pass has expired, purchase it again. Please note that this will reset your subscription streak.