Evening Light for Children: 7 Simple Ways to Create a Healthy Bedroom for Better Sleep

Evening light for children is something I think we need to talk about more when we consider what makes a healthy bedroom.

We spend a great deal of time thinking about mattresses, bedding, temperature, air quality and the products we bring into our children’s rooms. Yet there is another part of the bedroom environment that is incredibly easy to overlook: light.

Not simply whether a room is light or dark, but the type of light our children are exposed to, how bright it is, when they see it and whether that light flickers.

For most of human history, evening looked very different. As the sun disappeared, our environment became progressively darker and the light that remained was warmer: firelight, candlelight and the deep amber and red tones of sunset.

Modern childhood has changed that dramatically. We can now keep our homes brightly illuminated until the moment a child goes to sleep. Overhead LEDs, bathroom spotlights, televisions, tablets and phones can all extend a very daytime-like light environment far beyond sunset.

The question: if we want a child’s bedroom to support rest, does the light in that space tell their body that it is actually night?

Evening Light for Children: Why the Circadian Rhythm Matters

Our circadian rhythm is the internal biological clock that helps organise sleep and wakefulness across approximately 24 hours. Light is one of the most important environmental signals helping to keep this clock aligned with day and night.

Bright natural light during the day is useful. It tells the body that it is daytime and supports alertness and a healthy sleep-wake rhythm.

As evening approaches, the opposite should happen. Light naturally falls, and the body receives a very different message: the active part of the day is ending.

Melatonin, a hormone closely involved in the timing of sleep, normally begins to rise in the evening. Artificial light at the wrong time can interfere with this biological signal.

This appears particularly relevant for young children. In one study of healthy children aged three to almost five, researchers exposed children to different levels of light during the hour before their usual bedtime. Melatonin was strongly suppressed across the light levels studied, with the researchers concluding that preschool-aged children showed high sensitivity to evening light.

That makes me think differently about the apparently innocent bedside lamp left blazing while we read a story.

It isn’t only screens we need to consider. The whole evening light environment matters.

How Much Blue Light Is Actually in a Screen?

This is a question without one neat percentage. Look at the light from outside a room where a screen is bring used at night, the whole hue is blue.

A phone, tablet, laptop or television does not contain a fixed percentage of blue light that applies to every device. The spectral output changes according to the type of display, brightness, colour temperature, screen settings and even what is being displayed.

Many modern screens use LEDs and emit energy within the shorter-wavelength blue portion of the visible spectrum. From a circadian perspective, however, asking what percentage of a screen is blue can be less useful than asking how much biologically effective light is reaching a child’s eyes, at what time, and for how long?

A screen presents several things at once: artificial light, close to the face, often for a prolonged period, alongside highly engaging visual and emotional information.

Turning on a device’s warmer night setting can reduce some of its shorter-wavelength output, and lowering brightness reduces overall light exposure. But neither turns a bright screen into darkness.

For this reason, our preference is still to create a genuine digital sunset rather than relying entirely on a phone’s night mode.

We explored this wider relationship between technology and childhood in our journal on Smartphone Free Childhood.

Blue Light Isn’t Bad — Timing Is the Important Part

I don’t like describing blue light itself as something inherently harmful.

Blue-rich natural daylight is part of the environment we evolved with. During the morning and daytime, outdoor light is an important biological cue. The problem is that technology allows us to bring a daylight-like signal into a time when nature would normally be becoming darker.

This distinction matters because otherwise parents can end up frightened of the wrong thing.

I would rather see children outside in abundant natural daylight during the day, followed by a genuinely darker, warmer home in the evening, than living in a permanently dim indoor environment because we have become afraid of blue light.

Think contrast: bright days and dark nights.

What About Flicker in Children’s Bedroom Lighting?

Colour spectrum isn’t the only characteristic of artificial lighting worth considering.

Some LED lights fluctuate rapidly in brightness as their electrical supply is controlled. This is known as flicker. Sometimes we can see it. Often the fluctuations happen too quickly to be consciously perceived.

That does not necessarily mean they are irrelevant.

Flicker can be associated with visual discomfort, eye strain and headaches in susceptible people. For me, that is enough reason to consider the quality of a light source in a room intended specifically for recovery and sleep.

It is an interesting example of why choosing a bulb purely because it looks “warm” doesn’t tell us the whole story. Two lamps can look similarly cosy while having very different spectral and flicker characteristics.

For a healthy child’s space, I prefer a stable, flicker-free light source wherever it is practical to choose one.

EMF and the Healthy Child’s Bedroom

There is another layer to the modern bedroom environment: electromagnetic fields, or EMFs.

Electrical wiring and electrical appliances produce electromagnetic fields, while wireless devices such as phones, Wi-Fi routers, Bluetooth devices and some baby monitors also use radiofrequency electromagnetic fields.

It’s important to be balanced here. Current guidance from the World Health Organization does not conclude that low-level EMF exposure in ordinary environments has been shown to cause adverse health effects, and consistent evidence that radiofrequency exposure alters sleep has not been established.

At the same time, a child’s bedroom is one place where I see very little disadvantage in reducing unnecessary technology.

A Wi-Fi router doesn’t need to sit beside a child’s bed. A phone doesn’t need to charge beneath their pillow. Tablets don’t need to sleep in the bedroom simply because that’s where the child sleeps.

This isn’t about fear. It is about asking whether something needs to be there.

We have explored this subject in more depth in our article Are EMFs Affecting Your Child’s Sleep and Behaviour?.

Why We Use Red and Amber Light in the Evening

As evening progresses, I want our indoor lighting to begin reflecting what is happening outside.

Less light. Lower light. Warmer light.

This is where amber and red lighting can be useful.

We’ve been looking at the BlockBlueLight Multi-Mode Sleep Lamp because it brings several of the things I look for in a child’s evening environment into one light.

According to BlockBlueLight’s specifications, it has three modes: an amber early-evening setting with no blue light, an orange sunset setting, and a red late-night setting with no blue or green light. It also offers adjustable brightness and is specified as flicker-free and low EMF.

I particularly like the fact that it is rechargeable. Once charged, it can be used without having another cable running immediately beside the bed.

Rather than seeing red light as a treatment for sleep, I see it much more simply: it allows us to see what we’re doing without flooding a child’s room with bright white light at a biologically inappropriate time.

That can be useful for bedtime stories, feeds, settling a child, finding a lost comforter or navigating the inevitable 2am wake-up without suddenly switching on a bright overhead light.

Affiliate note: We are a BlockBlueLight affiliate. If you purchase through our link, The Conscious Parent may receive a commission. We only share products that fit the principles we look for when creating healthier family spaces.

7 Simple Ways to Create a Healthier Evening Light Environment

• 1. Give children plenty of natural daylight. Healthy circadian rhythm isn’t only about avoiding light at night. Get outside during the morning and daytime whenever you can.
• 2. Begin dimming the house before bedtime. Rather than going from a brilliantly lit room straight into darkness, allow the home to become progressively darker as bedtime approaches.
• 3. Switch off unnecessary overhead lights. Lower-level lamps can create a very different evening environment from ceiling spotlights shining directly down into the eyes.
• 4. Create a digital sunset. Where family life allows, put phones, tablets and televisions away before bedtime. A warmer screen setting and reduced brightness can help reduce evening light exposure, but removing the screen also removes the stimulation that comes with it.
• 5. Choose amber or red light later in the evening. Particularly in bedrooms, nurseries, hallways and bathrooms, consider whether you really need bright white illumination at night.
• 6. Look beyond colour temperature. When buying bedroom lighting, consider brightness, spectrum and flicker rather than relying only on labels such as “warm white”. If reducing unnecessary electrical exposure matters to your family too, look for transparent EMF specifications.
• 7. Make the bedroom a place for sleep. Remove devices that don’t need to live there. Keep nightlights as dim as practically possible and aim for a dark bedroom during actual sleep.

A Healthy Child’s Bedroom Is an Ecosystem

We talk a lot at The Conscious Parent about the idea that our homes form part of our biology.

A healthy bedroom isn’t created by buying one perfect product. It is the accumulation of many quieter decisions: the mattress a child lies on, the air they breathe, the materials surrounding them, the temperature, noise, technology and the light reaching their eyes.

You can explore more of our approach to creating a healthy home and interior here.

Light belongs in that conversation because light is information.

Morning light says wake up.

Daylight says explore, move, learn and engage.

Sunset says the day is changing.

Darkness says rest.

Our children’s bodies haven’t suddenly stopped understanding those ancient signals because electricity and screens have become normal. We have simply become remarkably good at overriding them.

And perhaps creating a healthier child’s bedroom doesn’t require us to add very much at all.

It may begin by switching things off.

Dim the lights. Put the tablet away. Leave the phone downstairs. Choose a gentle amber or red lamp for the bedtime story. Let the room become dark.

Not because we need another set of parenting rules to follow, but because once we understand what light is telling the body, we can make the environment around our children work a little more closely with them.

A more considered approach to light in the home

Light plays an important role in our natural sleep–wake cycle, and the way we use artificial lighting in the evenings is worth thinking about, particularly in family homes.

BlockBlueLight offers a range of lighting and blue-light management products designed to help people make more considered choices about their light environment.

For families looking to create a gentler evening routine, it may be worth exploring their range alongside simple habits such as dimming overhead lights, reducing bright screens before bedtime and making space for natural daylight during the day.

Explore the BlockBlueLight range here.

BlockBlueLight is an affiliate partner of The Conscious Parent. We may receive a commission if you make a purchase through our link, at no additional cost to you.