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.

Diabetes

Too little sleep raises risk of type 2 diabetes, suggests study

Adults who sleep only three to five hours a day are at higher risk of developing type 2 diabetes. This is demonstrated in a new study from Uppsala University, published in JAMA Network Open. It also shows that chronic sleep ...

Health

Humans don't hibernate, but we still need more winter sleep

Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...

Neuroscience

How can infants learn about sounds in their native language?

Infants can differentiate most sounds soon after birth, and by age 1, they become language-specific listeners. But researchers are still trying to understand how babies recognize which acoustic dimensions of their language ...

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