Often, when someone messages me, I will get the notification on my iPad, but not on my iPhone. This is even when the iPad is sleeping with the cover closed. If I turn the iPad off or into airplane mode, notifications resume on my iPhone, confirming the iPad is the culprit. Any idea how to fix this? All of my notification settings seem correct. Couldn't find this specific issue searching so far.
(To clarify, I still want my Messages synced with my iPad, I just don't want to miss notifications on my iPhone!)