It's 4 a.m., and you can't sleep. As you lie awake wondering why, consider whether any of your medications could be causing the trouble. "Medications can interfere with sleep in a number of ways…

The American Heart Association (AHA) has updated its list of essential components for heart and brain health. The organization added sleep duration to its "Life's Simple 7" and renamed the list "Life…

People with chronic obstructive pulmonary disease (COPD) who sleep poorly are far likelier than those who sleep well to experience flare-ups of worsened breathing, a new study suggests. COPD, a…

Amazon.com Inc on Wednesday announced a contactless gadget that can monitor people's sleep, along with updates to its lineup of voice-controlled devices and e-readers. The online retailer said its…