close Sleep expert reveals why you still feel tired after 8 hours of shuteye Dr. Wendy Troxel shares why getting the recommended amount of nightly shuteye doesn't always leave people refreshed, and outlines the most common reasons for poor sleep quality. NEW You can now listen to Fox News articles! A popular antipsychotic medication was found to reduce obstructive sleep apnea (OSA) – but it also led to impaired driving the next morning. That’s according to a small randomized controlled trial