Is it true that … the blue light from night-time scrolling can stop you sleeping?

We often blame our phone’s glare for finding it difficult to fall asleep. But our expert thinks things are more complicated

From blue-light blockers to apps to help you nap: how to get a better night’s sleep

Experts and poor sleepers share their tried and tested products and tips for a restful night

Sleep perfectionists: the exhausting rise of orthosomnia

The UK sleep-tracker industry is estimated to be worth £270m a year – and forecast to double by 2030. Could all this data be making our insomnia worse?

I’ve spent my whole life searching for the perfect pillow. Will this torment never end?

I must own two dozen pillows – and not one of them will guarantee me a good night’s sleep. Maybe if I buy just one more, says Adrian Chiles

‘Transformed into disturbed alien creatures’: the scary world of parasomniacs, 2003

In extreme cases sleep disorders could be life-threatening

‘I definitely got a little loopy’: the writer who spent a week underground studying sleep

Lynne Peeples on the ways modern life interferes with our circadian rhythms – and what we can do to sleep better

Trouble sleeping? This therapy can help with insomnia

CBT-I involves actions like changing what you do when you can’t sleep and reframing anxious thoughts about slumber

What causes snoring, is it dangerous and how can it be treated?

Scientists say an epilepsy drug could reduce sleep apnoea symptoms, but how else can snoring be tackled?

Epilepsy drug could reduce sleep apnoea symptoms, study finds

Sulthiame may help prevent patients’ breathing from temporarily stopping, international research suggests

Linking two realms: efforts to tap real-life potential of lucid dreams advance

Scientists show it is possible to control a virtual car and switch on real-world kettle from inside a lucid dream