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

Tired, grumpy, self-medicating with KitKats and coffee? Here’s how the experts handle sleep deprivation

Running on fumes after yet another night battling insomnia, noisy neighbours or small children? We’ll get you through the day

Baby sleep has become a sign of parenting competence – and a source of shame

Expectations around infant sleep are often way off, says the Guardian’s assistant Opinion editor, Lucy Pasha-Robinson

Britons living in deprived areas have poorer sleep quality, study finds

First large-scale UK investigation of its kind discovers social deprivation and ethnicity both affect sleep