The dark side of Daylight Saving Time

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November 02, 2025 The dark side of Daylight Saving Time By Veronique Greenwood Staff Writer, Health & Science Daylight Saving Time makes me uneasy. I've been reporting on our bodies' circadian clocks for more than a decade, and I wondered: Could this shift be causing more harm than good? This year, I put the question to chronobiologists. What I learned may surprise you. READ MORE » If you have a minute, please take our quick survey to help us better understand who you are and which health topics interest you most. Take the Survey WHAT ELSE TO READ What to Do About Your Red, Itchy Eyes Besides trying to claw your inflamed eyes out.   10 Symptoms ER Doctors Say to Never Ignore These red flags should be addressed urgently.   10 Questions to Ask Your Kid Besides 'How Was School?' Here's how to get more out of your child than single-word answers.   If you were forwarded this and want to sign up to receive it daily, click here. Today's newsletter was written by Veronique Greenwood and edited by Angela Haupt.   Want more from TIME? Sign up for our other newsletters.         Subscribe to TIME TIME may receive compensation for some links to products and services in this email. Offers may be subject to change without notice. Connect with TIME via Facebook | Twitter | Newsletters PRIVACY POLICY | YOUR CALIFORNIA PRIVACY RIGHTS Questions? Contact newsletters@time.com Update your email preferences or unsubscribe here © 2025 TIME USA, LLC. All rights reserved. TIME Customer Service, P.O. Box 37508 Boone, IA 50037-0508, United States of America Terms of Service