Wake up alarm not loud enough.

I haven't used the wake up alarm since the pandemic started until now. When I used it before, it was loud enough to wake me up. Now it isn't. I have the alarm set at full volume. I have tried the Change With Buttons, on both On and Off settings. I have Ringer and Alerts at full volume. The regular alarm and timer is loud enough, just not the wake up alarm. I feel this is a bug but I could be wrong. Restarting does nothing.

This is an iPod but it should function just like an iPhone except without cellular data, of course.