Cramming till 4-5am in the morning, 3-4 hour sleep, then exam in the morning, or an extra 2 hours sleep if the exam was in the afternoon.
Tis true, though not recommended.
"'Hi. I'm Barney, and I'm an alcoholic.'
'But Barney, this is a girls scouts meeting.'
'Is it, or are you girls afraid to admit that you have a problem?'"