to combat sleepiness: red bull [as of right now im two 12oz cans in] or starbucks [iced grande 1% triple shot caramel macchiato]
to combat looking sleepy: garnier nutritioniste skin renew anti-puff eye roller [drugstore.com]
if you study all night long, roll this under your eyes in the morning and you'll look refreshed [even if you feel like a zombie].