How To Get Ready For Daylight Saving Time Changes

How To Get Ready For Daylight Saving Time Changes

October 27, 2020

Clinical Contributors to this story:
Michelle Lomotan, M.D.

Updated: 3/10/21

When the start or end of Daylight Saving Time occurs, you may remember that it’s time to replace all of the batteries in your smoke detectors, but that isn’t the only thing to think about. It’s also time to prepare yourself for the impact that a one-hour time shift may have on your sleep.

Although the clock only moves by an hour, it typically takes your body several days to adjust to the change. Regardless of “springing ahead” or “falling back” an hour, the time change can negatively impact our sleep-wake cycle.

“Getting used to a one-hour change in schedule is like flying to a different time zone and experiencing one hour of jet lag, which requires you to adjust accordingly,” says Michelle Lomotan, M.D., a primary care physician with Hackensack Meridian Medical Group. “After the clocks change, you may feel tired or alert at the wrong times until you acclimate to the new schedule.”

Planning a smooth Daylight Saving Time transition

Whether you are an early bird or a night owl, you may have difficulty acclimating to the time shift. Making gradual adjustments to your schedule may help you adjust to the new time change more easily, rather than shifting your sleep schedule by one full hour the night that the clocks change.

To prepare for the upcoming shift in time:

  • get at least seven hours of sleep on a consistent basis
  • spend three or four days beforehand to gradually shift your bedtime, 15 minutes per day
  • keep your bedtime routine the same, so that your body recognizes that it’s time for bed
  • stop eating and drinking two to three hours before bedtime
  • avoid alcohol in the evening, since it may disrupt sleep
  • limit your exposure to bright light an hour or two before bed, including light from your phone
  • expose yourself to bright light in the morning, whether sunlight or artificial light
  • exercise in the morning, preferably outdoors in bright light
  • if you’re tired, nap before 3 p.m. for no more than 20 to 30 minutes

If you have trouble staying awake after the clocks change, don’t reach for more coffee than usual to power through your day. When you overdo it with caffeine, you may have a harder time falling asleep at bedtime, which may extend the time that it takes you to adjust to the new schedule.

Take it easy the week that the clocks change

Recognize that you may need some time to adjust to the time change. If you feel more tired than usual as you acclimate, you may not be your best self. Do your best to minimize stress, which may make it harder to fall asleep at night. Try not to schedule major work deadlines.

Most people adjust to the new time change within a few days. If you’re still having problems falling asleep or awakening after a week, see your doctor.

Next Steps & Resources:


The material provided through HealthU is intended to be used as general information only and should not replace the advice of your physician. Always consult your physician for individual care.

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