Morning Overview on MSN

Study links sleep loss to brain fluid pulses and attention lapses

Researchers at MIT and Harvard have identified a striking biological pattern behind the mental fog that follows a sleepless night: the exact moments when a sleep-deprived person loses focus coincide ...

Neuroscientists find 'blink of an eye' timing in how we use our brains to learn and move

Scientists have long studied the role of dopamine, a chemical in the brain that helps control learning and movement, in order ...
Nature

The surprising science behind red-light therapy — and how it really works

People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some ...