Add Yahoo as a preferred source to see more of our stories on Google. So what’s the solution? How can we make it easier for heavy sleepers to wake up? In cases like this, a more purpose-built alarm ...

There is plenty of evidence about how important sunlight is to our circadian rhythm, and how the blue light we stare at on computers and televisions interrupts it. Many people have poor sleep, due to ...

If your smartphone doubles as your alarm clock, you may be losing out on needed shut-eye as texts, alerts and other notifications come in throughout the night. Constant loud noise and bright lights ...