How can I avoid dozing off in class/zoning out professor's voice?

Colleges and Universities A-Z University of California - Berkeley
21

<p>bring a sharpee and write with it. the odor can’t possibly let you doze off.</p>

22

<p>^No, sit next to a super hot girl if you’re a guy. Works so well it’s not even funny. </p>

<p>Don’t know if it’d work for girls by sitting next to attractive men.</p>

23

<p>Sit on the girl</p>

24

<p>or the other way around.</p>