Women most likely to be at risk from heart problems even if they sleep 'too much or too little'
Eyelid droopiness and subtle frowning in the face can alter perceived intelligence, according to a recent study
Lack of sleep doesn’t just make people tired and irritable - it can also cause a temptation for unhealthy snacks similar to the “marijuana munchies”.
Researchers analysed data on almost 290,000 people
Morning people are also less likely to need more than eight hours of sleep a night or to sleep walk
Successful people understand that their success is almost entirely dependent upon their getting enough sleep
A person’s microbiome is ‘interwined’ with their sleep wake cycle
There's always that occasional day when you wake up an hour or two before that classic ringing sound fills the room
We spend around six years of our lives dreaming – that’s 2,190 days or 52,560 hours. Although we can be aware of the perceptions and emotions we experience in our dreams, we are not conscious in the same way as when we’re awake. This explains why we can’t recognise that we’re in a dream and often mistake these bizarre narratives for reality.
'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
Staring at a bright screen before bed can stop your brain producing melatonin, preventing a restful sleep
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