By Leslie Barker
DALLAS — Tony Reed believes in the power of sleep. He cherishes his nightly eight hours; hardly ever has trouble achieving them.
"It's rare, very rare, when I have problems falling asleep," says Reed, 61, a Dallas business manager, professional speaker and marathon runner.
But when that does happen, he's ready.
"What I do is to focus on the most peaceful time I ever had in my life," he says. "For me, that was being on a camping trip for a week, just sleeping in tents and just really enjoying everything. We were only 15 or 16, had our whole lives ahead of us, and we would just go...