Tempur Pro Plus SmartCool mattress review: a dream for your joints or too soft for comfort?

This premium all-foam mattress delivers serious softness and pressure relief – but not everyone will love the sink

Milk, carbohydrates or a late-night pudding: what’s the secret to eating for a good night’s sleep?

Many of us suffer with bad sleep. Could changing what – and when – we eat improve our chances of sleeping well?

‘Social apnoea’: sleep disorder could worsen at weekends, research suggests

Lifestyle factors such as drinking and smoking could contribute to increased severity of obstructive sleep apnoea

Why do I feel so much worse after a nap – and how can I avoid it?

Waking up from a nap feeling groggy, tired or ill? Experts say it’s common. Here’s what could be going wrong

Conch blowing could help to alleviate sleep apnoea, study suggests

Experts on condition affecting millions of people in UK give cautious welcome to findings but say more research needed

The 1am shut-eye: what is the prime bedtime for your health and happiness?

According to a survey, the average American heads to bed at 10.36pm, falling asleep 42 minutes later. Many younger people opt for lights out at 9pm. Are they all missing out on uplifting and restorative late-night fun?

Terrible night’s sleep? Here’s how to make it through the day – and maybe even enjoy it – one step at a time

Coffee or no coffee? Almond croissant or exercise snack? Early night or bedtime as usual? You’ll be grateful you made the right choices

Wolf Moon by Arifa Akbar review – night terrors

The Guardian theatre critic’s imaginative exploration of life in the shadows

Stop counting sheep – and 13 more no-nonsense tips for getting back to sleep

Awake in the night again? From box breathing to standing on a cold bathroom floor, experts and readers offer tried and tested tips on how to calm your mind and drift back off …

NHS manager ordered to stop selling ‘sleep drug-laced’ children’s gummies

Regulator tells Sally Westcott to pull product that allegedly has undeclared levels of prescription-only melatonin