Heh he, at first i  though the stock alarm not working, but then I realised that you need to manually set the time and number of snooze (max 10 times). Then it will not be one time alarm, which i always miss. To be safe, I set multiple alarm with multiple snooze time.

For me, if the alarm plays music, i won't wake-up after a few days! Smart alarm doesn't work for me also. Loud as andromeda is all I need.