Sleep Study 

A long continuation of no sleep for a minimum period of two days. Other days may be added, but the "Sleep Study" Is over after the original two. Best enjoyed with a friend or spouse.

Hey Matt, Me and Jeremy are pulling a sleep study, you wanna join?

Sleep Study by SwedishPenguin February 25, 2012

Sleep Studying 

When you're trying to study and pass out with the material in front of you.

Billy Bob: Dude I tried to study last night and ended up passing out.
Bobby Joe: Billy you were sleep studying

Sleep Studying by Darkninjaprincess96 April 18, 2017