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Getty Images/Tanja Ivanova
- Daylight-saving time is a killer, scientists say.
- A third of the world and most US states observe daylight-saving time.
- DST is linked to increases in heart attacks and car accidents.
Summer is coming to an end, meaning we're in our final weeks of daylight-saving time for the year.
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Courtesy Melissa Noble

For many of us, getting up can be a chore most mornings, as a peaceful slumber or a serene dream is interrupted by the shrill chimes of a smartphone alarm. It’s all too easy to keep hitting that snooze button until the last possible momentto stay where it’s comfortable and warm and avoid the responsibilities of the…