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.
Read More
Vitamin ZZZ? Sleep Could Fight Risk of Catching a Cold
sneeze-cold-02-101129-02
August 31st, 2015
Not getting enough sleep really does boost your risk of catching a cold, a new study suggests.
Read More »
School Start Times in U.S. States: Full List
excuses for being late, being late work, showing up for work late, time
August 6th, 2015
Most U.S. middle and high schools start too early. Here's a list of the average start time for schools in each state.
Read More »
Treating Troops' Sleep Problems May Reduce PTSD
April 10th, 2015
Sleep problems are common in members of the military, and treating sleep issues early may reduce the risk of developing mental health conditions.
Read More »
Why Your Eyes Dart Around When Dreaming
a whale holding up a flying airplane like a balloon
August 12th, 2015
People are literally seeing images in their dreams when they undergo the rapid eye movements characteristic of certain stages of sleep, new research suggests.
Read More »
Awake Again: Is It Insomnia or Just Segmented Sleep? (Op-Ed)
Couple in bed, woman awake
June 30th, 2015
Waking up at night is normal, and it may not effect the quality of your sleep.
Read More »
Why Some People May Be Harder Hit by Daylight Saving Time
A clock is shifted one hour ahead at the start of daylight saving time.
March 7th, 2015
The start of daylight saving time may be particularly hard for people who are unhealthy, a new study suggests.
Read More »
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.
Read More »
Yawn! School Starts Too Early for Teens, CDC Says
Alarm Clock
August 6th, 2015
Most U.S. middle and high schools start the day around 8 a.m., which public health officials consider too early for teens, according to a new report
Read More »
What Is Sleep? Contest Winners Explain Science of Zzzz's
Sleeping boy in bed
June 2nd, 2015
Five months ago, actor Alan Alda joined 11-year-olds around the world in asking scientists a seemingly simple question: What is sleep?
Read More »
Watch Out: Daylight Saving Time May Cause Heart Attack Spike
woman having a heart attack in bed
March 7th, 2015
As people set their clocks forward an hour for daylight saving time this Sunday (March 8), they may also want to take extra care of their heart. That's because people tend to have more heart attacks on the Monday following spring's daylight saving time.
Read More »