Pueblo's newest bakery and coffee shop, dubbed "Grumpy's Cafe," is a place where crabby old men are welcome to gather, sip coffee, and munch on giant cinnamon rolls as they mull over the world's woes.

Have you ever grabbed a cup of coffee to fight off fatigue—only to feel even sleepier afterward? If you’ve asked yourself, “Why am I sleepy after coffee?” you’re not alone. Many people experience ...