deep sleep

(Newser) - If you find it hard to doze off on your first night in unfamiliar surroundings, you're not alone—and it may be because you're like a dolphin. In a study published in Current Biology , Brown University scientists found this type of sleep disturbance (referred to as the "...

(Newser) - Looking for lengthy love? It may be time to sleep single. More couples are opting for separate beds, and 60% of custom-built homes in the UK will have dual master bedrooms by 2015, the London Times reports. Many in modern times consider separate beds the end of love, but in...

(Newser) - Researchers have found that radiation from cell phones can cause sleep loss, headaches, and confusion, the Independent reports. Mobile phone manufacturers were quick to downplay the results of the new study—which they themselves funded—but sleep experts say the research backs up previous studies, and they're calling for a...