This is my experience too (jet lag, staying up way too late, etc), but I would hesitate to call it "depression" out of respect for those who suffer from the rea

This is my experience too (jet lag, staying up way too late, etc), but I would hesitate to call it "depression" out of respect for those who suffer from the real thing. At least when I'm feeling this way I have the comfort of knowing that I'll feel much better after a good night's sleep.