Night owls versus early birds: who is superior according to science?

And is it actually possible for your body clock to change? Am I really turning into an early bird or have I just been forced into a child-dictated schedule?

‘You are constantly told you are evil’: inside the lives of diagnosed narcissists

Few psychiatric conditions are as stigmatised or as misunderstood as narcissistic personality disorder. Here’s how it can damage careers and relationships – even before prejudice takes its toll

What is the best pillow for your sleeping style?

The wrong pillow can disrupt sleep, so finding the right one can guard against decline in mental and physical health

Pregnancy skincare products target women at a vulnerable time. Do any work or do they just stretch the truth?

Oils, creams and lotions with names like ‘mummy’s tummy’, ‘bump love’ and ‘belly butter’ abound

My extreme sickness in pregnancy feels like a personal failure, even as society glorifies motherhood as divine suffering

Hyperemesis gravidarum – a condition routinely dismissed as ‘just morning sickness’ – doesn’t just affect your stomach, it hijacks your entire life

Is it true that … cutting out carbs helps you lose weight?

Weight loss is about consuming fewer calories than you burn, and reducing your intake of refined carbohydrates can play a part in that

Look out for number one! Selfish self-help books are booming – but will they improve your life?

If you yearn for an Ayn Randian existence of absolute self-reliance, there are plenty of bestsellers that can help. They may not make you happier though

Peter Whybrow obituary

Neuropsychiatrist and writer whose research reshaped the understanding and treatment of mood disorders

‘It made my day more meaningful’: the Japanese gen Zers attempting a two-hour limit on smartphone use

Authorities in Japan are taking action against excessive phone time – but what is it like to restrict scrolling to 120 minutes a day?

The truth about vitamin pills: should midlife women start taking supplements – and if so, which ones?

The market for supplements is booming and it can be difficult to know which are actually any use. Dietitians give the lowdown on those you should take and those you can ditch