How do I survive an all-nighter?

if you are going to stay up all night the best thing to do may be just to stay up eat healthy foods for energy stay away from foods that crash such as sugars chocolates just take a shower before you have to go (to cl i suppose) dont use no doz or the such they may make you sick and unable to work at all taking a nap problably wont help because you wont want to get up or you may feel more tired when you do get up problably with a headaich