Precognitive dreaming should not be dismissed as coincidence
Response: Science suggests some prophetic dreams simply cannot be explained away, says Robert McLuhan
The hidden dangers of sleep deprivation
Missing out on your nightly rest has recently been linked to major health problems including heart disease and stroke
Sleep deprivation increases stroke and heart disease risk
Researchers at the University of Warwick linked a lack of sleep to a range of disorders which often result in early death
How worn-out Britain finally woke up to its chronic sleep problem
As a new survey reveals two-thirds of us can't get a good night's sleep, Cherrill Hick examines research on new drugs which could tackle insomnia by changing our body clocks
How I cope with insomnia
Mark Rice-Oxley describes how insomnia affected his life, and offers some valuable advice on sleeping better
Live chat: Sleep clinic
Join Professor Colin Espie, sleep expert and Professor of Clinical Psychology at the University of Glasgow, for a live chat on Thursday 27 January at 3pm
The inside track: hard beds
We think beds last for ever, but your bed's structure tends to deteriorate in quality by about 75% within eight years, causing sleep disruption
My week: Michael Polkey, consultant respiratory physician at a sleep clinic
Problems with breathing often lead to sleep disorders, such as obstructive sleep apnoea, and there is much research being done with patients
Wake up and smell the mint tea
Tired? Lethargic? In dire need of 40 winks? Join the club, says Grace Dent. But how to boost our energy levels without putting in too much effort? Plus, we ask a doctor, a finance whiz, a radio presenter and a chef how they get by on so little sleep
The science of sleep: hope for narcolepsy sufferers
Recent medical advances have given narcolepsy sufferers hope of a normal life, but only for a few in the UK