Sleep Deprived High

This explains a few things about being at Clarion West.

People who are sleep-deprived often report getting a "second wind" where they suddenly wake up and feel great — though they are still too fatigued to do any major problem-solving. A group of researchers have discovered there's a good reason for this. Sleep deprivation floods your brain with dopamine, the very same hormone that amphetamines like crystal meth shoot into your neural receptors.

Source: io9