Being a kitten is a tough job!  This video (uploaded by Krzysztof Smejlis on November 26, 2012) made me tired just watching it!

While the kitten hits a cuteness factor of 20 on a scale of 1 to 10, part of me is thankful that all of that energy doesn't stay with cats when they get older.  Sleep would be just some sort of myth that you remember your parents talking about in the Dark Ages...

More fun animal videos can be found here!