When you purchase through links on our site, we may earn an affiliate commission.Heres how it works.

Natural light suppresses melatonin (the sleepy hormone) to help you feel more alert in the day.

But when the evening arrives and natural light fades, your circadian rhythm starts to increase melatonin production again.

A woman with afro hair reaching out of bed to turn her alarm clock off on light mornings as clocks go back.

Here’s what we discovered…

Do mornings get lighter when the clocks go back?

This extra morning light is noticeable for a good few weeks.

Without the clocks going back, we wouldn’t see the sun until around 9am in the winter.

Man walking alone in a park

3 ways lighter mornings help you to sleep better

1.

Getting sunlight exposure as early as possible in the morning boosts our cortisol levels.

Cortisol is the stress hormone responsible for waking us up faster and making us feel alert.

People walking across busy city street with sunrise in background.

Therefore, spikes in the morning give us energy and alertness to power us through our daily tasks.

Morning light regulates your energy levels.

This regulates the timing of bodily functions including hormones, metabolism and mood.

Man standing at the window opening curtain to let morning light in.

Studies show exposing yourself toearly morning sunlight helps balance the sleep hormone melatoninand resets your body’s clock.

This will optimise your sleep and wakefulness periods and helps you to produce more melatonin at night."

This will make it easier and faster for you to fall asleep at night.

A woman wearing a pink sleep eye mask and silk pyjamas stretching her arms in bed waking up from quality sleep.

The American Academy of Sleep Medicine agree.

Studies have been carried out to determine the sleep and health implications of darker mornings.

where sunrise is later).

A woman standing at window with mug of tea in kitchen with morning light coming in.

Why do the clocks go back this time of year?

How to get good sleep when the clocks go back

1.

Stick to a consistent nighttime routine

A well-establishednighttime routineis the bedrock of good quality sleep.

A woman with long dark hair sits up in bed with her arms stretched in the air as sunlight streams in through her open curtains

Having a personalized wind-down routine that is sustainable and enjoyable for you helps you sleep easy.

It’s also about creating good habits at bedtime.

This makes sure you get the quality rest your body needs to function optimally during the day.

Woman waking up and stretching in bed bathed in sunlight

Getting outdoors in natural sunlight is key to sleeping well at night.

That said, natural light exposure is beneficial throughout the day too.

A walk in nature is a great way of combating the winter blues and promoting good sleep.

A man sleeping with his arms stretched overhead with grey bedsheets and light shining in through blinds

Plus it’s not all about light exposure, fresh air can also help you sleep better.

A woman sleeping on her front holding a small white alarm clock, with a Tom�s Guide Sleep Week 2025 label in the top right corner

Woman sleeping on a white bed

A woman asleep at desk in front of laptop and yellow mug as she�s tired all the time

The image shows a sleep deprived woman lying in bed and holding her hands over her eyes

A chocolate Easter egg in pink tin foil next to image of blonde woman in purple star patterned pyjamas struggling to sleep in bed with white sheets

Woman lying down on the bed and smiling feeling comfortable

A woman lying on her side sleeping with a handdrawn thought bubble over her head to show she�s thinking

A woman with dark brown hair lies on her side staring at the back of a white alarm clock that shows the time as 2.30am

A woman with short brown hair sitting on bed with white sheets with a glass of green Spirulina smoothie in hand

A person holding a Nintendo Switch 2 playing Mario Kart World

2025 Rivian R1S Tri-Motor test drive review.

ChatGPT generated image

Garmin Vivoactive 6 in emerald green with the Morning Report shown on the screen

2025 Toyota bZ4X at New York Auto Show.

Fire TV interface on the Fire TV Stick 4K (2nd gen)