doubt

I bought the mi band 10 which is my first smart watch to own after reading alot of reviews for it is strong alarm

I sit it on the strongest vibration, and it is not waking me up at all i can barely feel it which is so weird i dont know if i missing anything here.

I've a heavy sleeper and i miss all phone alarms so that was my only solution and it is not working now

Any ideas on what can i do or if im doing anything wrong here

Or do you recommend any other options ?