Should I worry about blue light?

Is the glow from phones, tablets, computers and other devices really bad for our health?

More than 1 million children in UK sleep on floor or share bed, study finds

Barnardo’s says the rise in ‘bed poverty’ reflects growing levels of destitution following soaring food or gas bills

My first time in a float tank: ‘The only part of me I was sure still existed was my head’

In her fortnightly review of fitness and wellbeing activities, comedian Jennifer Wong experiences sensory deprivation in a salty, skin-temperature bath

The sleep secret: how lucid dreams can make us fitter, more creative and less anxious

Freud described dreams as windows into our repressed desires. Today, researchers are using them to boost athletic performance and help veterans with PTSD, unlocking huge benefits for us all

Soap operas, late-night snacks and naps: How NBA players get their rest

Basketball players criss-cross North America during the season. Getting a good night’s rest is vital if they want to stay on top of their games

Tell us how you feel about your partner’s sleeping habits

We would like to hear about your partner’s sleeping habits and how it affects your relationship

Should I worry about sharing a bed with my pet?

We’ve been sleeping next to dogs and cats for thousands of years, but are they doing us more harm than good? Here’s what the science says

My boyfriend is instantly aroused – and climaxes without touching me

I wish he could maintain an erection, but he is sleep-deprived, stressed and drinks too much. What can I do to help him change his behaviour?

You snooze, you muse: how to nap like a genius

Backed by science and endorsed by luminaries, the daytime nap has many benefits. Good timing means the difference between inspiration, energy or full sleep inertia

The business of silence: is there a hidden cost to noise cancelling?

Headphone and earplug sales are booming, but individual efforts to turn down the volume may alter our brains and surrounds in unexpected ways