How Do Blue Lights Affect Your Sleep?
Have you been having difficulty going to slumber at night recently? Most likely, you are exposing yourself to more blue light than is healthy. Blue light disturbs slumber and is frequently the main contributor to restless nights or sleeplessness. This is not particularly shocking given that we spend about 5000 hours per year staring at devices that produce blue light. Jack may or may not become a boring child from doing too much work, but he will undoubtedly become a bad sleeper from watching too much television.
But first, what exactly is this azure light? Why is it detrimental to sleep? The most crucial question is: How can you best defend yourself?
We'll address all of these inquiries and more in this article. So let's start the process.
Describe Blue Light.
Many people associate the term "blue light" with the light produced by screens, including those found on computers, laptops, iPads, cellphones, and, of course, the trusty television. But since blue light is a component of natural light, the truth is that it has always existed. Therefore, without first knowing the components of natural light, we cannot grasp blue light.
Electromagnetic electrons, which make up light, emit energy while moving through various frequencies. In other words, there are a total of seven distinct hues that make up visible light. One of these hues is blue illumination. (Just look at a rainbow, which comprises of seven colors).
The human sight has its constraints, as you may know. Only a small portion of the electromagnetic spectrum of light, with frequencies between 400n and 750nn, can be seen by it.
The first region of the visual spectrum is made up of blue light, which has a frequency of about 400 nm. More energy is contained in shorter frequencies than lengthier ones. In other words, compared to other hues in the spectrum that are perceptible to the human sight, blue light has more energy per photon.
So, is UV light and blue light the same thing?
No, they're unique.
While both of them are prevalent in sun radiation, their effects on our eyes and bodies are distinct. UV photons have frequencies between 100nn and 400nn, so we cannot see them. They have a high energy because their frequencies are extremely brief. They consequently cause much more damage, including flesh injuries.
We can see blue light, unlike UV radiation. It can easily enter the retina and harm the retina's photochemical cells. This simply implies that blue radiation is bad for your retina.
Regular eyeglasses provide effective UV protection. However, they don't do much to shield us from blue radiation. However, if you must be outside in the sun, make sure to wear shades to shield your eyes from UV rays that can damage them.
What Are the Main Artificial Blue Light Sources?
Blue light is evident in the daytime, as was previously stated. Blue light is emitted by numerous artificial sources, including electrical devices, LED lighting, digital displays, and fluorescent lighting screens. This means that even if you spend no time using a screen, you will still be subjected to blue light, but there is a distinction between blue light that is produced artificially and blue light that is produced naturally.
Blue radiation from the sun is not dangerous. In actuality, both our bodily and emotional wellbeing depend on natural daylight. Reduced sunshine during the winter, according to research, may contribute to seasonal affective disorder. (SAD).
Our circadian rhythms, the internal biological schedule that controls the human sleep-wake pattern, depend heavily on blue light from the sun to function properly. The azure radiation from the sun also increases our alertness and focus. In conclusion, blue light is healthy for us.
However, according to a report by Harvard Medical School, blue light coming off screens can eff up our sleep cycle. Artificial blue light is emitted by many sources, such as:
- Computers
- Laptops
- Tablets and Phablets
- Smartphones
- Gaming consoles
- Television
- Digital clocks
- Fluorescent bulbs
- Poor quality LED light bulbs
- VR helmet
How Does Blue Light Impact You?
The following are some effects that close proximity to electronic devices can have on your eyes:
strained eyes
Digital eye strain can result from a reduction in contrast brought on by blue light from digital screens and other devices. Cells in the retina could become harmed if left unchecked.
Headaches
Blue light can also result in headaches and physical fatigue in addition to eye strain. Long-term exposure to artificial blue light may even harm the retina, raising the possibility of age-related macular degeneration.
Macular degeneration begins when the retina's cells are destroyed or suffer damage. Age causes us to lose this defense, which is a built-in protection screen called melanin in the retina. That's because as we get older, our bodies produce less melanin.
Because melanin is essential for regulating our natural sleep-wake cycle, having less of it can lead to sleep issues. Consistent sleep deprivation increases the risk of developing certain diseases, such as depression, in addition to interfering with daily life.
We should all be aware of the harmful effects of artificial blue light since adults in the Western World now spend more time on screens than ever before. More importantly, it's past time for action.
What Impact Does Blue Light Have on Sleep?
Our sleep-wake cycle is regulated by circadian rhythms. But exposure to artificial light after midnight can increase the body's melatonin production. This hormone manages our circadian rhythm. Therefore, if the proper amount of it is not produced, we may have sleep issues.
According to Harvard researchers, exposure to artificial blue light tends to throw melatonin production for a loop.
Researchers found that exposure to blue light at night can interfere with people's ability to get enough sleep. In a different study, the researchers discovered that those who had access to the LE-eBook had lower melatonin secretion and took longer to fall asleep.
In conclusion, there is sufficient evidence to conclude that blue light exposure at night can interfere with sleep.
In fact, some studies have gone even further. They have asserted a link between exposure to blue light and heart disease, obesity, and diabetes. We don't currently have enough data to conclusively link blue light to these conditions, though. However, it can be argued that all of these ailments have previously been connected to sleep disorders.
How Can You Prevent the Dangerous Effects of Artificial Blue Light?
There are two types of blue light: natural and artificial. The first is advantageous to us, whereas the second is not.
Limiting screen time, especially at night, is a simple way to reduce exposure to artificial blue light. Additionally, think about installing red LED bulbs in your living room and bedroom. Research demonstrates that red light has no adverse effects on melatonin synthesis. Red light doesn't disturb your sleep cycle like other light colors because it produces a level of melatonin that is very similar to that of total darkness.
Finally, we advise spending money on premium LED bulbs. Look at the CRI rating when buying LED lighting. Only LED bulbs with a CRI90+ rating should be bought. These bulbs are healthy for you because they produce the most even lighting.
At BENWEILIGHT, we only sell CRI90+ LED bulbs, as we won’t ever compromise on quality.
