Daylight Saving Time

Changing our clocks forward an hour each year may seem a simple task, but the effects on your body, not to mention your pets' bodies, can be more complicated. Here's what you need to know about the time change.
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Latest Articles

Surveys Reveal the Most Common 'Sleep Thief'
A woman sleeps in her bed.
December 15th, 2014
When people don't get enough sleep, it's usually because they sacrifice snooze time for hours at work or commuting to the office, a new study suggests.
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Late-Night Meals May Interfere with Memory, Research Suggests
late-night-snack-101011-02
November 24th, 2014
The hectic pace of modern life means that people are often eating at odd times of the day and night, and these shifted schedules could be taking a toll on memory, new research suggests.
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Sleepless in Space: Getting Shut-Eye Is Tough Out There
Japanese astronaut Koichi Wakata is photographed in a sleeping bag attached to the racks in the Kibo laboratory of the International Space Station.
August 7th, 2014
Astronauts often suffer from sleep deprivation during space flight and in the months leading up to a mission, a new study finds.
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How Long You Sleep May Be in Your Genes
A woman sleeps in her bed.
December 2nd, 2014
The amount of sleep that you get on an average night is influenced by two regions of your DNA, new research finds.
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How All-Nighters Alter Your Memories
sleep memory all-nighter
July 24th, 2014
Sleep deprivation could raise the risk of developing false memories, a new study finds.
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Zzzzzzzz: The Mathematics of a Good Night’s Sleep
The structure of sleep changes as the brain develops

June 24th, 2014
Mathematician Janet Best uses mathematical models to learn about slee-wake patterns.
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Actor Alan Alda Challenges Scientists to Explain 'What is Sleep?'
Girl sleeping in her bed
December 2nd, 2014
Attention, scientists: 11-year-olds everywhere would like to know, "What is sleep?"
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Here's How a Nap Could Change Your Afternoon
A woman naps on a couch.
August 8th, 2014
Taking a nap in the afternoon may improve short-term memory for adults in their 20s and 30s, a new study finds.
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When is Sleepiness Due to Narcolepsy?
Narcoleptic patient sleeping, narcolepsy, sleep study
July 21st, 2014
Narcolepsy is real, and serious — one of many sleep disorders that afflict Americans.
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