- Doodle! It keeps you awake, and also keeps the teacher away. She probably thinks you're just taking down notes.
- Get permission to go to the washroom, and splash water at your face a few times. Alternatively, you can also use a water bottle. Don't spill the water though.
- Chew gum. You are least likely to fall asleep when you are chewing gum. Exercise your jaw,
- This one is DANGEROUS if you can't take hot stuff. Pop a strongmint sweet into your mouth. When I say strongmint, I really meant it. Soon you'll feel your nose flaring. That should keep you awake.
- Pinch or slap yourself in the morning. It will hurt, but at least you can't fall asleep.
- Drink coffee or green tea. Coffee has high amounts of caffeine which will prevent you from falling asleep. However, if you drink too much coffee, you may have problems sleeping at night and that will only worsen the problem.
Actually, you shouldn't rely on these methods.. Sleep early, thats the best method.