Ever feel like you can’t get your head off the pillow? Ever hit that snooze button 14,000 times? Look, it’s hard to function after only five hours of sleep. And Americans aren’t sleeping enough! Worse, the fatigue and grumpiness brought on by a lack of sleep can contribute to diseases like diabetes, hypertension and obesity. So here are five simple rules for getting a good night’s sleep: Stick to a routine. Try going to bed at the same time every night and waking up at the...