'It's so much fun to bring it up the next day over breakfast'
Whether you're spooners or not could signal how happy you are
From tummy troubles to irritability and mood swings, eight horrible things than can happen if you don't sleep enough
Spending too much time in a chair and not getting enough sleep could put you more at risk than you realise
Blue and green lights emitted from the devices delay the prodcution of sleep-inducing hormones
We are only beginning to unravel the genetic and biochemical basis of mental illness – a vague term including conditions as diverse as anxiety, depression, and mood and psychotic disorders. With millions of people suffering from such conditions, it is crucial that we find ways to improve diagnosis and treatment. But an increasing body of scientific evidence is now suggesting that we should turn our attention to one of our most basic functions: sleep.
A group who were subject to 'forced awakenings' displayed 'low positive' moods
When it comes to the amount of sleep adults require there is not really a 'one size fits all'
Findings from research published this week show modern humans get no more or less sleep than their ancestors did
From impaired judgement to raised blood pressure, a lack of sleep can have severe effects on the body and mind
Not one bedtime suits all, says sleep expert and neuroscientist
You might assume that hectic, fast-paced lifestyles would lead to high rates of poor sleep in the nation's urban areas - but that's not necessarily what the data shows
During the night, you cycle through five separate stages of sleep every 90 to 110 minutes, experiencing between three and five dream periods each night
The movement, called hypnic myoclonia, occurs when you are stressed or tired
The problem is an international one, said Dr Kelley of Oxford University
With a little discipline an infinite and fanciful world awaits you