I downloaded an alarm app that only lets you turn it off after solving a math problem, and after that it waits 10min and starts again unless you confirm you are awake.

What ended up happening was that i just kept just solving them while half asleep, forgetting the 10min thing, and waking up again 10 min later, repeat 50x until it's so late that the alarm was pointless, and now not only am i late, i'm also tired.