Sleep may not just be rest for the mind—it may be essential maintenance for the body's power supply. A new study by University of Oxford researchers, published in Nature, reveals that the pressure to ...

Emerging research suggests that anticipating stress may shape your dreams and disrupt your sleep as morning approaches.

Sleep allows the body to replenish its immune cells, which are responsible for fighting off germs and other things that can ...

We all wish we could get by on less sleep, but one father and son actually can—without suffering any health consequences and while actually performing on memory tests as well as, or better than, most ...

Sleep changes are a normal sign of ageing, but they can sometimes be an early symptom of neurodegenerative disease.

The Sehgal Lab’s recent research suggests sleep supports brain cell energy needs and protects key cellular structures. This schematic shows what the researchers think is happening during periods of ...