Add Yahoo as a preferred source to see more of our stories on Google. If you’ve noticed that by the end of the day trying to stay awake feels like the fight of a lifetime, you are not alone. Even dogs ...

(CNN) — Everyone knows what it’s like to be stuck in a boring meeting or class, or watching a long performance, or overseeing a Cabinet meeting, and slowly feel the seemingly unstoppable force of ...

I can always tell when my dogs are sleepy. My senior Dachshund starts blinking a lot and then she'll finally keep her eyes closed while holding her head up. Slowly but surely, her head makes it down ...

Trying not to fall asleep is so tiring.