Revealed! Best time to sleep to wake up feeling refreshed

A popular fitness trend among young people may be quietly undermining their sleep. A new study led by researchers at the University of Toronto has found that teenagers and young adults who use pre-workout supplements are significantly more likely to experience extremely short sleep durations.

New research has uncovered a powerful link between nighttime heart rhythm and future health conditions, even in people with no obvious sleep problems

People with excess weight are more likely to experience long-term neurological and mental health symptoms after Covid-19, including headache, vertigo, smell and taste disorders, sleep disturbance, and depression.

Researchers have developed eye drops that extend vision in animal models of a group of inherited diseases that lead to progressive vision loss in humans, known as retinitis pigmentosa.

A simple blood test for people with a certain sleep disorder may help predict the development of dementia years before symptoms occur, according to a new study.

Several studies conducted over the last decade have found that up to a quarter of unresponsive patients with recent brain injuries may have a level of consciousness that is generally hidden from their families and physicians.

Alzheimer's disease, the most common type of dementia, currently affects twice as many women as men, with minority populations predicted to witness the most significant increase in cases in the coming years, according to the Centers for Disease Control and Prevention.

Researchers have conducted one of the largest eye studies in the world to reveal new insights into retinal thickness, highlighting its potential in the early detection of diseases like type 2 diabetes, dementia and multiple sclerosis.

Muscle movement is enabled by signals conveyed from the brain to motor neurones; however, these impulses often transit through spinal interneurons before reaching their target. How the brain and this highly diverse group of "switchboard operator" cells are connected is poorly understood.

Concerns regarding the influence of social media platforms on youth mental health led the US Surgeon General to suggest a warning label for them. The Surgeon General's Advisory on Social Media and Youth Mental Health highlighted potential links between social media use and poor sleep quality in youth. Given these issues, what particular measures should teenagers and parents take to enhance sleep?