Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Jellyfish and sea anemones sleep too. A new study reveals that sleep may have evolved to protect nerve cells from DNA damage.

Most adults need 7–9 hours of sleep per night, but nearly 30% fall short, and even those who hit the target often lack consistency. Sleep isn’t just about feeling rested; it’s essential for metabolic ...

“High-quality sleep is essential for heart health because it supports optimal blood pressure regulation, autonomic balance, and inflammation control, and reduces the risk of cardiovascular events,” ...

Peter Eastwood has previously received funding from Research Funding Organisations (e.g. NHMRC, MRFF, NHRIF, Raine Study) and has been a consultant for several sleep-related biomedical device ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. “Avoid screens before bed” is one of the most common pieces of sleep advice.