Skip to content
Back to Blog daylight saving

Spring Forward: 7 Tips to Adjust to Daylight Saving Faster

Losing that hour each spring hits harder than people admit. A science-backed guide to adjusting to daylight saving time in a week — for adults, kids, and babies.

Dozy Team
daylight-savingcircadian-rhythmsleep-tipsseasonal

Daylight saving time ended weeks ago, and you may still feel slightly off — a little sluggish in the morning, a little wired at night, not quite back to your regular rhythm. That’s not unusual. If the clocks shifted on March 8 and you’re still not fully adjusted, you’re not imagining it. The spring-forward transition is genuinely harder on the body than most people expect from a single lost hour, and for some people the adjustment stretches two to three weeks.

This post is a reset guide. Whether you’re still feeling the drag or you want to be prepared for next year, the same science applies.

Why That Lost Hour Hits Hard

One hour sounds like nothing. You lose more than that to a long meeting or a slow commute. But sleep doesn’t work in hours — it works in timing signals. Your body runs on a circadian rhythm, an internal 24-hour clock governed primarily by light and anchored to consistent behavior patterns like when you eat, exercise, and go to sleep.

When the clocks jump forward, that internal clock doesn’t move with them. Your biology still expects to feel sleepy at the old bedtime and alert at the old wake time. For a few days, you’re essentially living one time zone to the east of where your body thinks it is.

That mismatch has measurable consequences. Studies tracking emergency room admissions in the days after the spring transition consistently find a small but real uptick in cardiac events — particularly heart attacks — as well as traffic accidents and workplace injuries. One often-cited analysis of US data found a 24% increase in heart attacks in the first week following spring daylight saving. The cause isn’t the hour itself; it’s the combination of acute sleep deprivation and circadian disruption acting together on a population that was already, on average, underslept.

For most people the effects are subtler: slower reaction time, lower mood, difficulty concentrating, and a sleep schedule that feels slightly out of phase with the day. All of that is real, and all of it responds to consistent intervention.

Pre-Shift Prep (For Next Year)

The most effective way to handle the spring transition is to begin before the clocks change. Starting three to four days before the shift, move your bedtime 15 minutes earlier each night. By the time the clocks spring forward, your body will have already begun shifting its internal anchor point.

The same logic applies to wake time: set your alarm 15 minutes earlier each morning during those preparation days. It feels counterintuitive to go to bed earlier and wake earlier when you’re about to “lose” an hour, but it means the official change lands on a body that has already done most of the work.

If you missed the window this year, the gradual approach still helps — just applied in reverse. Go to bed 15 minutes earlier than your current drifted bedtime tonight, then again tomorrow night, and hold the new earlier wake time even if you don’t feel ready for it. Progress will feel slow, but it compounds quickly.

The 7-Day Reset

Here is a week-by-week framework for getting back on track. The principles are simple; the difficulty is in holding them consistently when you’re tired.

Day 1–2: Anchor your wake time. Whatever time you want to be waking up in a month, start waking up at that time now. Do not sleep in on weekends. This is the single most powerful lever for resetting your circadian rhythm because morning light exposure is the strongest signal your brain uses to set its internal clock.

Day 3–4: Pull your bedtime forward. If you’ve been going to bed late because you’re not sleepy at the right time, start moving bedtime 15 to 20 minutes earlier every night. Don’t lie in bed awake for an hour — if you’re not sleepy, do something calm and screen-free for another 20 minutes, then try again.

Day 5–6: Tighten the other anchors. Eat meals at consistent times. Keep exercise in the morning or early afternoon rather than the evening. Avoid caffeine after noon — caffeine has a half-life of around five to six hours, which means a 2 p.m. coffee is still partly active at 9 p.m.

Day 7: Evaluate and hold. By the end of the week most people with a healthy baseline sleep pattern will feel substantially back to normal. If you’re still struggling, extend the program by a few more days with the same consistency. If your work schedule or parenting situation makes rigid timing impossible, focus on at least two of the three anchors — wake time and light exposure will give you the most return.

Light Is Your Lever

Light is the primary input your brain uses to regulate circadian timing, and it is more powerful than most people realize. Bright light in the morning — especially natural outdoor light — suppresses the tail end of melatonin production and signals clearly to your brain that the day has started. Done consistently, this pulls your entire sleep-wake cycle earlier.

The practical version: spend 10 to 20 minutes outside within an hour of waking. You don’t need direct sunshine; even overcast daylight is orders of magnitude brighter than typical indoor lighting. If getting outside isn’t possible, a full-spectrum light therapy lamp (10,000 lux, used for 20 to 30 minutes) produces comparable results and is particularly useful in the weeks around the time change when early mornings are still dark.

A midday outdoor walk has a secondary benefit: the solar angle at noon produces the strongest light signal and gives you a second circadian anchor point. Think of it as a mid-session calibration for your internal clock.

In the evening, do the opposite. Dim lights after 8 p.m., reduce screen brightness, and avoid anything that mimics the intensity of morning light. Your brain needs a clear drop in light exposure to begin producing melatonin at the right time.

For Kids and Babies

Children and infants are often hit harder by the time change than adults — and their disruption tends to ripple into everyone else’s sleep as well. A baby who normally sleeps at 7 p.m. now has a body that expects to sleep at 8 p.m. (old time), while the spring evening is still bright outside. That combination of a later internal clock and brighter evenings creates the conditions for prolonged bedtime battles and early morning wake-ups.

The gradual approach works well for children: start shifting bedtime 10 to 15 minutes earlier each night in the days before the change, and do the same with naps. Hold the routine tightly — same bath, same stories, same sequence — because routine is the secondary signal your child’s brain uses when light is ambiguous.

Blackout curtains are particularly valuable in spring. A room that is genuinely dark at 7 p.m. helps the child’s brain produce melatonin even as the sun lingers well into the evening.

For babies especially, a consistent sound environment helps mark sleep time independently of daylight. Dozy provides white noise and ambient sleep sounds that create a reliable audio cue for sleep — useful year-round but especially helpful during transitions when the light cues are working against you.

A Word About Melatonin

Low-dose melatonin — 0.5 mg to 1 mg taken 30 to 60 minutes before the new target bedtime — can help accelerate circadian shifting. The key word is low-dose. Most over-the-counter formulations in the US come in 5 mg or 10 mg doses, which is far more than your brain normally produces and can cause grogginess the next morning. Look for 0.5 mg or 1 mg options, or cut a larger tablet.

Melatonin works best as a timing signal, not as a sedative. It will not knock you out on its own, but taken consistently at the same time each evening it helps anchor the new sleep timing faster than behavioral changes alone.

Melatonin is generally most useful for the first three to five days of a transition and can be tapered off once the new schedule feels stable. It is not a long-term solution and should not be needed once the circadian reset is complete.

Try Dozy Tonight

If you or your little one are still working through the transition, good sleep sounds can make a real difference in falling asleep at the new time. Download Dozy on the App Store and find a sound environment that makes it easier to settle in — even when the clock says one thing and your body says another.