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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Human Hibernation: Snowy States Cause Longer Slumbers
This map of the U.S. shows the regions where people got the most (northern states) and least (southern states) amount of sleep.
February 24th, 2015
People in snowier states appear to sleep for a little longer during winter months than those in sunnier states.
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How Much Sleep Should You Get? New Recommendations Released
A woman sleeps in her bed.
February 3rd, 2015
New guidelines from the National Sleep Foundation slightly change the recommended sleep ranges for children and teens.
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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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Sleepless in High School: Teens Getting Less Shut-Eye
A teen falls asleep during class.
February 16th, 2015
Teens are getting even less sleep than they used to, new research finds.
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For Teens, Falling Asleep Gets Harder with More Screen Time
Teenager playing with electronics on bed
February 2nd, 2015
Teenagers who while away the hours on an electronic device — whether it's a computer, cell phone, tablet or TV — tend to have more problems with sleeping at night, a new study finds.
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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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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
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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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