Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

Poor sleep habits are strongly associated with long-term chronic health conditions, according to decades of research. To better understand this relationship, a team identified four distinct patterns ...

Before electricity and endless screen time took over, humans followed a very different rest routine. In the pre-industrial world, people didn’t sleep in one uninterrupted stretch but in two distinct ...