Fall Back Without the Crash: What the End of Daylight Saving Time Does to You

Fall Back Without the Crash: What the End of Daylight Saving Time Does to You

Clocks go back at 2 a.m. on November 1, and most Americans gain an hour

Daylight saving time ends at 2 a.m. local time on Sunday, November 1, 2026, when clocks fall back one hour to 1 a.m. and most of the country returns to standard time. People living in most of Arizona and Hawaii will not change anything, since those states do not observe the switch. Daylight saving time is scheduled to begin again on Sunday, March 14, 2027, unless Congress changes the law first.

Doctors say falling back is the easy direction, but it still moves your body clock

"While springing forward disrupts your circadian rhythm more than falling back, any one-hour shift of the clock can alter your body's sleep-wake schedule," said Dr. David Kuhlmann, a sleep medicine director and spokesperson for the American Academy of Sleep Medicine Foundation. "Chronically sleep deprived people are among the most impacted by the circadian misalignment caused by the time switch." Sleep specialist Dr. Ruchir P. Patel adds that the human circadian rhythm runs slightly longer than 24 hours, so moving clocks backward feels more natural to our internal clocks.

Shift bedtime 15 to 20 minutes later each night starting around October 28

The top move according to basically every sleep expert interviewed: do not swallow the full hour in one gulp. "Beginning approximately three or four days before Nov. 1, go to bed and wake up 15 to 20 minutes later each day," Patel says. "By Sunday, your circadian rhythm is already close to a new time." Get bright morning light after the change, keep mealtimes steady, and resist spending the bonus hour staying up late, which is what makes Monday rough.

Heart and stroke signals are real but uneven, and one recent study found no spike

Sleep scientist Matthew Walker has cited studies showing heart attacks rise by an average of 24 percent when clocks spring forward and fall by 21 percent when they go back in autumn. A review of eight studies in the German sleep journal Somnologie found increases of 4 to 17 percent after the spring switch, with one study recording a 19 percent rise after the autumn change. In Finnish data, ischemic stroke was 8 percent higher during the first two days after a transition, with a larger rise in adults over 65. Against that, a 2025 study found no higher heart attack incidence around either switch versus adjacent weeks, and one high-quality study linked the return to standard time to an approximately 2.5 percent reduction in all-cause mortality.

Sleep experts want permanent standard time, while Congress leans toward permanent daylight time

In its 2024 position statement, the American Academy of Sleep Medicine concluded that permanent standard time aligns best with human circadian biology, because morning light is what sets the body clock. The House passed the Sunshine Protection Act for permanent daylight saving time by 308 to 117 on July 14, with 193 Republicans, 114 Democrats and one independent in favor. The Senate left town without a vote and is not scheduled to return until after the November 3 midterm elections, so another clock change this year is unavoidable. Nineteen states stand ready to lock the clocks if Congress lets them, and President Trump has pressed Senate Republicans to act, though Majority Leader John Thune doubts the 60 votes exist.

Expect darker evenings, protect sleep routines, and keep the mood risk in perspective

Earlier sunsets can unsettle routines, especially for older adults sensitive to darkness, falls, and shifted medication schedules. Caregiver guidance suggests brighter hallway lighting, nightlights, and moving evening activities earlier. On mental health, a review of 157 studies from 36 countries over a decade found only weak and inconsistent evidence linking clock changes to depression or substance abuse, with most people experiencing effects closer to minor jet lag.