Ok....need some tips on not sleeping?

i need some advice people... I have my final semester exams in 2 weeks... and i am planning to study everyday till 4am and then wake up at 7am everyday until exams.. so please tell me some tips on how to stay awake, and reduce the tiredness? any energy drinks? coffee?? anything would be helpful.. and please... show more i need some advice people...
I have my final semester exams in 2 weeks...
and i am planning to study everyday till 4am and then wake up at 7am everyday until exams..
so please tell me some tips on how to stay awake, and reduce the tiredness? any energy drinks? coffee?? anything would be helpful..

and please do not answer if all you are going to say is "its bad" and that i should be getting at least 7-8 hours...at the moment i cannot afford to..:P

thanks..:)
Update: @Devin Ram....lol..:D

lavender oil...how am i suppose to use it? like massage or something?
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