Night terrors: what do anxiety dreams mean?

These are anxious times – but how does this affect our sleep, and what can we learn from the exam crises and missed trains that haunt the small hours

‘I know I will be so tired’: a teenager on living with insomnia

Anita Salimi, 18, says sleep has been a problem for her since she was a young child

Children’s lack of sleep is ‘hidden health crisis’, experts say

NHS statistics for England show sleep disorder admissions for under-16s was almost 10,000 last year

Sleepless in … Seattle? Which city gets the least shuteye?

Around the world weary workers are staying late at the office or taking naps on the job – while data reveals the link between sleep and wages

Finally, a cure for insomnia?

We are living through an epidemic of sleeplessness, but the medical establishment has largely ignored the problem. Can a radical new therapy help you get some sleep?

Shattered: legacy of a reality TV experiment in extreme sleep deprivation

The prize was £100,000. Purported risks included depression and hallucinations. Channel 4’s show probably couldn’t be made today – but almost 15 years later do the contestants regret taking part?

Poor sleep makes people pile on the pounds, study finds

Disrupted sleep alters metabolism and boosts body’s ability to store fat, data shows

‘The devil’s aspirin’: why do so many celebrities blame Ambien?

Elon Musk, Roseanne Barr, Tiger Woods and others have all claimed the sedative was at fault for their strange behavior

Feeling lonely? Why a good night’s sleep might be the ultimate cure

New studies have shown that sleep deprivation can make people feel lonely – and social isolation can disrupt sleep. It is vital to break the vicious cycle