How to Adjust Your Sleep Schedule for Daylight Saving Time

Shifting your bedtime and wake time by 15–20 minutes a day for three to four days before a daylight saving transition spreads the full hour-long adjustment across several smaller steps, which is easier on the body's circadian rhythm than one abrupt shift.

This works for either direction — moving bedtime earlier ahead of the spring change, or later ahead of the fall change.

Getting bright light exposure — ideally outdoors — soon after waking helps recalibrate your internal clock to the new schedule faster than staying in dim indoor light.

Keeping regular meal times on the new clock, rather than eating based on how your body feels, also helps reinforce the shift.

Most people fully adjust within about a week; if grogginess or disrupted sleep lasts much longer than that, maintaining a consistent sleep and wake time — even on weekends — tends to resolve it faster than sleeping in to compensate.

Limiting caffeine after early afternoon and reducing screen exposure in the hour before bed both help the adjustment period pass more smoothly, particularly after the spring change.

Young children often run on a biological schedule tied more to daylight than the clock, so they may wake at their usual biological time regardless of what the clock says — shifting their bedtime by small increments over several days beforehand tends to work better than trying to force an abrupt change.

Shift workers and anyone with an irregular sleep schedule generally take longer to readjust after either transition, since they don't have the same fixed daily light-exposure cues that help most people's circadian rhythm reset quickly.

Travelers who already know how to manage jet lag can apply the same techniques here, since a one-hour daylight saving shift is functionally a very small version of crossing a single time zone — the main difference is that everyone around you shifts at exactly the same moment, rather than only the traveler.