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image: While You Were Sleeping

While You Were Sleeping

By | March 1, 2016

Assessing body position in addition to activity may improve monitoring of sleep-wake periods.

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image: Cave Dwellers, 1938

Cave Dwellers, 1938

By | March 1, 2016

Renowned sleep researcher Nathaniel Kleitman and a colleague spent a month underground to test the body’s natural rhythms.

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image: The A B Zzzzs

The A B Zzzzs

By | March 1, 2016

An overview of the human sleep cycle

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image: Who Sleeps?

Who Sleeps?

By and | March 1, 2016

Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.

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image: A Genetic Root to Seasonal Affective Disorder

A Genetic Root to Seasonal Affective Disorder

By | February 23, 2016

Researchers have identified a gene that ties sleeping patterns to the winter blues experienced by many people living at extreme northern and southern latitudes.

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image: GWAS IDs “Morning People”

GWAS IDs “Morning People”

By | February 4, 2016

In a large genome-wide association study, researchers from 23andMe locate 15 DNA regions associated with people’s preferences for early morning starts.

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image: Circadian Clock Controls Sugar Metabolism

Circadian Clock Controls Sugar Metabolism

By | April 17, 2015

The body’s circadian rhythm has more of an effect on glucose tolerance than one’s eating and sleeping patterns, a study shows.  

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image: Daytime Sleep Alters Human Transcriptome

Daytime Sleep Alters Human Transcriptome

By | January 20, 2014

A mistimed sleep cycle drastically reduces the number of genes that are expressed in a 24-hour rhythm.

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image: Electric Lights Alter Daily Rhythms

Electric Lights Alter Daily Rhythms

By | August 6, 2013

Humans’ circadian clocks become skewed when they are exposed to electric lights but revert to a schedule more in tune with the sun when they go camping.

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image: Feeding Time

Feeding Time

By | February 1, 2013

The eating schedule—and not the amount of calories—can make the difference between an obese, diabetic, sick mouse and one with a healthy metabolism.

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