Although many people take the extra hour this weekend to indulge in waking activities, sleep experts say using that time for sleep could make a significant difference in your health…..webmd.com, An Hour at What Cost? The Harmful Effects of Daylight Savings, Lindsay Kalter, 2021
“Consistency in the timing of when we sleep and wake is every bit as important as the duration of the time we sleep, and there is plenty of research on the adverse effects,” says Charles Czeisler, MD, chief of the Division of Sleep and Circadian Disorders at Brigham and Women’s Hospital in Boston. “It’s always good to get an hour more of sleep, as long as people take advantage of that. If they go to bed at their usual time and wake up an hour later, it will have health benefits.”
A 2019 report found a higher risk of heart attack after both time changes, but particularly during daylight saving.
Interruptions to circadian rhythm can also impair focus and judgment. A 2020 study found fatal traffic accidents increased by 6% in the United States during daylight saving time.