Studies suggest that narcolepsy is far more common than most doctors realize, and it is frequently misdiagnosed.
Sleep apnea is a condition that can raise the risk of several serious illnesses, including heart disease. Testing for the condition is a lucrative business, and sleep labs have sprung up across the country. But as spending skyrockets, insurers are rethinking how they pay for testing to curb costs.
Negotiators from 194 nations worked straight through a second night, parsing drafts and seeking compromises to map out the future pathway to fight global warming. Delegates, working on little sleep, huddled with allies to prepare for a decisive meeting later Saturday.