Health

Smartphones uncover how the world sleeps

A pioneering study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules.

Diseases, Conditions, Syndromes

Short or long sleep associated with Pulmonary Fibrosis

Scientists have discovered that people who regularly sleep for more than 11 hours or less than 4 hours are 2-3 times more likely to have the incurable disease, pulmonary fibrosis, compared to those that sleep for 7 hours ...

Health

Sleeping too much—or too little—boosts heart attack risk

Even if you are a non-smoker who exercises and has no genetic predisposition to cardiovascular disease, skimping on sleep—or getting too much of it—can boost your risk of heart attack, according to a new University of ...

Genetics

Research identifies genetic causes of poor sleep

The largest genetic study of its kind ever to use accelerometer data to examine how we slumber has uncovered a number of parts of our genetic code that could be responsible for causing poor sleep quality and duration.

Genetics

Researchers discover new clues on how sleep works in the brain

Star-shaped brain cells called astrocytes appear to play an essential role in sleep, a new study by scientists from the Washington State University Sleep and Performance Research Center confirms. Published today in PLOS Genetics, ...

Health

Poor sleep triggers viral loneliness and social rejection

Poor sleep can literally kill your social life. Researchers at the University of California, Berkeley, have found that sleep-deprived people feel lonelier and less inclined to engage with others, avoiding close contact in ...

Health

Artificial light from digital devices lessens sleep quality

There's no doubt we love our digital devices at all hours, including after the sun goes down. Who hasn't snuggled up with a smart phone, tablet or watched their flat screen TV from the comfort of bed? A new study by researchers ...

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