Less blue light, more red light, and a night of deep sleep will follow.

Discover the benefits of red light therapy lamps for better sleep.

In the spotlight of modern technology, we often talk about the dangers of blue light and its impact on our sleep. But let's be honest, while blue light is the focus of attention, we have neglected a valuable ally: red light . Everyone talks about the problem, but let's talk about a solution instead, and how that solution could well illuminate your nights with a soft red glow.

Amidst all the commotion surrounding blue light, it is high time to turn the spotlight on the forgotten warrior of the light spectrum: red light. Excessive blue light at the wrong time is the real culprit and must be limited, but we can also counteract it with red light...

Light spectrum

Light is the natural electromagnetic energy emitted by the sun. It consists of tiny particles called photons and manifests itself in the form of vibrations (waves). The frequencies of these light waves are generally measured in nanometers (nm), with one nanometer equal to one millionth of a millimeter. The human eye perceives frequencies between approximately 380 nm and 780 nm. The shortest wavelengths in this spectrum carry more energy than the longest ones.

The human eye is remarkably sensitive to light and can convert a signal, depending on its energy level, into what we perceive as a color. Different colors can be distinguished, such as:

• Violet (380 nm – 435 nm)
• Blue light (435 nm – 520 nm) (Find all the information about blue light in this blog)

• Vert (520 nm – 565 nm)
• Yellow (565 nm – 590 nm)
• Orange (590 nm – 625 nm)
• Red (625 nm - 780 nm)

Outside the visible spectrum, we find:

• Ultraviolet (UV) (280 nm - 380 nm)
• Infrared (IR) (750 nm – 1 mm)

Red light

Red light , with longer wavelengths, is more abundant in the morning and evening, when the sun is low on the horizon. This red light acts as a natural signal for our bodies. In the morning, it indicates that it is time to wake up and start the day. In the evening, it triggers the release of melatonin, the sleep hormone, thus preparing the body for rest and sleep.

It is interesting to note that red light therapy allows us, to a certain extent, to reproduce the beneficial effects of morning and evening sunlight. This therapy uses specific wavelengths of red light to mimic the sun's natural signals. In the morning, red light can help stimulate alertness and energy, while in the evening, it promotes a healthy sleep cycle by stimulating melatonin production. This approach offers an interesting perspective for supporting our circadian rhythms and deepening our understanding of the importance of light for our well-being.

How and when should red light therapy be applied?

Red light therapy has recently gained popularity as a potential means of improving our well-being, but how and when should it be used most effectively? Here are some tips for getting the most out of this therapy.

In the morning, it is ideal to expose yourself to red light for about 15 minutes. This exposure can be done directly on the body or in the eyes. Good news: there is no evidence that red light is harmful to the eyes, so its use is safe. This morning exposure can help stimulate alertness and promote positive energy to start the day off right.

For evening use, it is recommended to turn on the light after sunset. This can promote a healthy sleep cycle by stimulating the natural production of melatonin. This is particularly useful during the winter months, when the days are shorter and our circadian rhythms sometimes become out of sync with sunrise and sunset. In summer, we generally already benefit from sufficient exposure to natural light, which reduces the need for additional red light therapy.

In summary, applying red light therapy in the morning and evening, in the right way and at the right times, can be a valuable addition to our daily routine, especially when exposure to natural sunlight is limited.

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Alina - Tips for sleeping well despite the hectic pace of everyday life!