From the Archives: November 2008 — There’s nothing funny about what laughter exercises can do for your health and well-being.

Jackhammers would have been better—loud noises, he could sleep through. For several mornings now, jackhammers had assaulted his eardrums beginning at six a.m., and he was almost used to them. But the persistent buzz of his cell phone at eleven thirty p.m. on a Friday night successfully penetrated his haze of near sleep.