Still can't write a review/rate it because it didn't work at all last night.
Not sure whether it was my fault. I may have somehow accidentally pressed something. Because when I woke up at around 7:50 the last alarm reminder was highlighted and protruding from the clock. Not sure what that means, but it didn't play reminders all night.
I clicked on it and it went greyed out again like the rest of them and according to the log it played two more reminders after that. But I didn't hear them.