Yearning for a good night's sleep?Join the club.Globally, more people searched about sleep this year than ever before, according to data released by Google Trends last week. People are turning to the internet to learn about bedtime routines, sleep positions and to understand — "Why am I so tired all the time?" — a question which peaked in June, according to Google.In fact, restorative sleep eludes so many that it's given rise to a new type of travel. Hotels and wellness resorts are launching "sleep tourism" programs that...