Articles on Sleep problems

Displaying 1 - 20 of 55 articles

‘An unusual window into human sleep’: Nasa astronaut Victor Glover during the Artemis II mission, April 6 2026. Nasa Space Collection/Alamy

What space travel teaches us about sleep and circadian rhythms

What happens to astronauts’ circadian rhythms when the Sun no longer provides a reliable schedule?
Beyond the change: what are the cardiovascular risks women face during menopause? When periods stop, oestrogen levels drop. This is problematic because the female sex hormone protects the heart by helping to control cholesterol levels and reduce the risk of fat building up in the arteries. SewCreamStudio/Shutterstock

Beyond hot flushes: what menopause can do to your heart – and why it matters

Heart disease isn’t just a “man’s problem”. Men and women’s bodies handle fats differently in midlife. What are the cardiovascular risk factors and is hormone therapy good for heart health?
Restless or too little sleep can make us feel unfocused and indecisive the next day. Valerii Apetroaiei/iStock via Getty Images Plus

Sleep problems and depression can be a vicious cycle, especially during pregnancy − here’s why it’s important to get help

Inadequate sleep can have negative downstream effects on everyday cognitive functioning and mental health, which can then lead to even worse sleep.
It’s not necessarily overwork that is exhausting you. Daniel de la Hoz/Moment via Getty Images

Vitamin deficiency may be why you’re so tired – a nutritional neuroscientist explains how to kickstart your energy by getting essential nutrients in a well‑rounded diet, along with more sleep and exercise

Many Americans are deficient in vitamin D, vitamin B12 and omega-3 fatty acids, all of which affect energy levels.
While that ‘extra’ hour of sunlight in the evenings can be exhilarating, it comes with significant health trade-offs. Anna Blazhuk/Moment via Getty Images

Could the days of ‘springing forward’ be numbered? A neurologist and sleep expert explains the downside to that borrowed hour of daylight

Americans have long been divided over adopting permanent standard versus permanent daylight saving time. But support for permanent standard time grew dramatically between 2021 and 2024.
When teens can’t sleep, they often scroll online well into the night, which only exacerbates the problem. ljubaphoto/E+ via Getty Images

Screen time is contributing to chronic sleep deprivation in tweens and teens – a pediatric sleep expert explains how critical sleep is to kids’ mental health

Exposure to screens before bedtime can contribute to chronic sleep deprivation, which raises the risk for anxiety, depression and even suicidal thoughts.
Daylight saving time is back again – amid some controversy. billhagolan/iStock via Getty Images Plus

Springing forward into daylight saving time is a step back for health – a neurologist explains the medical evidence, and why this shift is worse than the fall time change

Americans are divided on their preference for daylight saving time versus standard time. But research shows that our bodies fare better when aligned with the natural light of standard time.

Top contributors

More