As a translation of the German term "Frühjahrsmüdigkeit" (lit. "Spring tiredness"), Spring Fever is the name for a temporary mood typically characterized by a state of low energy and weariness experienced by many people in springtime. It is not in the category of a diagnosed illness, but rather a phenomenon thought to be initiated by a change in the season.
So apparently in Germany, when springtime rolls around, Germans get tired and lazy. Of course in the rest of the known world, spring is a time for liveliness and excitement (like when you're doing your spring cleaning duhh).
WHO'S GOT THAT SPRING FEVER?!?!?!?!
Now all we need is some warm weather........
PS sorry I haven't been posting. My laptop internet hasn't been working so I just posted this off my mom's computer.....byeee