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As a sleep tech writer I’m always curious about what trending gadgets can help me sleep better.

But how can a light mask really improve sleep, and is it just placebo?

A girl wearing an LED face mask with pink light

What is a LED face mask and how do they work?

An LED face mask is a unit that fits over your face to deliver light therapy to the skin.

These devices are primarily beauty tech with the main aim of helping improve skin texture and reduce blemishes.

Flikeze PhotonMask Quint: was $459/£415now $399/£360 at Flikeze

Each can be set on a timer of 10 or 15 minutes.

Flikeze’s Valentine’s sale knocks $60/55 off retail price, bringing the cost to $399/360.

Benefits your winddown routine

The Flikeze LED face mask has helped me establish a relaxingnighttime routinethis new year.

A woman laying on her back wearing an LED face mask emitting red light

A silicone face mask is not exactly the most practical accessory.

Similarly, artificial light from screens and devices like a LED mask also impacts your body’s internal clock.

According toresearchfrom the National Library of Medicine, red light influences melatonin secretion, improving sleep initiation.

A woman with dark hair lies in bed yawning because she is so tired and ready to sleep

They do this by penetrating the skin with red light, which stimulates the cells responsible for collagen synthesis.

Besides improving skin elasticity, collagen can also aid sleep.

Anew studyfound increasing collagen at bedtime reduces sleep fragmentation.

A woman wearing the Flikeze LED face mask

LED masks emit the same light as traditional light therapy boxes that help reduce depressive symptoms associated with SAD.

But what does SAD have to do with sleep?

By alleviating symptoms of SAD, LED face masks can help you sleep better.

a collage of sleep tech gadgets including sleep headphones, a smart ring, sleep mask, smart bed and sunrise alarm clock

As mentioned above, it is red light that has the most relaxing effect on the body.

A woman with red hair wearing a pink sleep headband sleeping on her side in white bed and white pyjamas

A woman with brown curly hair in bed on her phone as she battles phone addcition

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

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The Sunny Health & Fitness Under Desk Elliptical unboxed and on a table

iPhone 16 colors hands-on.

Michael B. Jordan as Smoke in "Sinners" movie

Recipes in the food section of Apple News Plus on an iPhone

Nvidia GeForce RTX 5060 Ti

Kit Connor and Joe Locke in Heartstopper season 3