Watch: This Puppy Attempts To Fight Off Sleep… And Loses.

Here is a puppy which is doing his utmost to stay awake after a busy day, but it is a fight he is destined to lose!

Still, our little canine hero is giving it his best shot and viewers are praising his efforts, even though, as one commenter observes:

It was downhill for him after the first wink.

1. This puppy attempts to fight off sleep… And loses.

Following are our most viral videos for the past month — have fun!