Doctors and dentists are reporting more cases of cracked teeth and insomnia as the coronavirus pandemic takes a toll on the nation’s stress levels. PepsiCo’s latest drink Driftwell is pitching itself as a way to combat the problem. Pepsi employees came up with an idea for a beverage to help consumers de-stress and relax before bed as part of an internal competition started last year by CEO Ramon Laguarta. The concept won, and the food and beverage giant went to work to make it a reality. Emily Silver, vice president of innovation and capabilities at Pepsi’s North American beverages unit,...