PHILADELPHIA – Loud snoring and insomnia used to be merely annoying. Now they are big business.
In Philadelphia and across the country, sleep-diagnostic centers are popping up and people once aggravated by a lousy night’s sleep are getting help.
One beneficiary of the push for more testing is a local company, Viasys Healthcare Inc., which makes medical equipment including devices to diagnose and treat sleep ailments like sleep apnea, a condition in which breathing stops repeatedly for brief periods during sleep.
In the five years since Viasys was spun off from a Boston-area company, Thermo Electron Corp., sales of its respiratory and sleep-diagnostic equipment have grown, and now account for 63 percent of its $600 million in annual revenue.
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