The consequences of not getting enough sleep are evident to all of us—and yet we’re constantly staying up later than what our internal biological clocks are telling us. A new study shows the elusive nature of what’s to blame.
A DNA analysis of nearly 90,000 23andme customers suggests our preference for early mornings may be rooted in our genes. The study also suggests that night owls are at greater risk of depression and other health issues. But those findings come with a couple of caveats.
Teeth grinding is a problem that affects nearly one in ten individuals, yet many of us don’t even realize we’re doing it. And that’s a problem given just how harmful it can be to our health. Here’s how to find out if you grind your teeth when you sleep—and why it’s something you shouldn’t ignore.
"Almost all other animals are clearly observed to partake in sleep, whether they are aquatic, aerial, or terrestrial," wrote Aristotle in his work On Sleep and Sleeplessness. But do other animals dream? On that the Greek philosopher also had an opinion.
"Sometimes," said Walt Disney, "we can recognize ourselves in animals. That's what makes them so interesting." He was more right than he knew. One group of people may have had particular insight into human sleep behavior and its disorders: Disney animators.
Extensive studies conducted by universities in the US and Sweden show that a certain dose of radio frequency before bedtime causes insomnia. While there is plenty of number crunching yet to come to determine the exact relationships between exposure to 884MHz RF and loss of sleep, the key message from one of the…