You’re tired and you need an energy boost, but you don’t want the jitters from caffeine. What to do? In this week's video, we give you some chemistry-backed tips — one of which involves cats — to boost your productivity and stay awake without refilling the coffee cup. 

Water in the Body - 

Watching Cat Vids - 

Cute images/improved attention:

Light and the Neurotransmitter Orexin - 

Single Bout of Exercise - 

Water, Hydration and Health - 

Music and moderate task difficulty - 

Human-animal Interaction - 

Hypocretin/Orexin System -

On Dehydration - Nancy Clark’s Sports Nutrition Guidebook 5th Edition

What Favorite Songs Do to Our Brains - 

Pleasure response from music - 

Blood components -