We used to have a few productive hours in the middle of the night, but that all went away during the Industrial Revolution.

Researchers led by Aurore Perrault at Concordia University, Canada and Valeria Kebets at McGill University, Canada, have used a complex data-driven analysis to uncover relationships among multiple ...

When it comes to the sciences, the study of sleep is remarkably young. Rigorous studies of sleep and sleep patterns only emerged in the 19th century. To study sleep patterns before then, one has to ...

Some fish, it turns out, are morning people. They swim hard during daylight, sleep mostly at night, and tend to live longer. Others drift into daytime napping early in life, move less vigorously, and ...

Unhealthy sleep patterns and shorter sleep duration are correlated with increased obesity risk in American adults. Sleep pattern scoring provides a more comprehensive predictive indicator for obesity ...

What do humans have in common with jellyfish and sea anemones? You might be thinking, not a lot, but a new study published in Nature Communications shows they do sleep like us and that sleep has a big ...

In the 1990s, a woman approached sleep neurologist Christopher Jones at the University of Utah with an unusual complaint. She would fall asleep very early in the evening and wake up for the day at 2AM ...

Humans are way more efficient than other primates in one surprising area–sleep. Whereas we need only around seven hours per night to keep our brains ticking over smoothly, some lazy lemurs and idle ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers Ravi David Nath and Claire Nicole Bedbrook place African killifish under continuous behavioral surveillance to track ...