Find yourself yawning a lot? Do you need that third or fourth cup of coffee to make it through the afternoon at work? Such signs of sleepiness may be a red flag of a serious sleep deficit that ...

Yawning and nodding off during the day often are signs of an excessive sleepiness — a condition with "wide-ranging consequences" and one that health care workers need to take more seriously ...

“From drowsy driving crashes to workplace errors and long-term health risks, the effects of excessive daytime sleepiness impact individuals and society every day,” Olson said in a statement ...