A good night’s sleep is essential to energize our bodies for a long day of work. However, we are sleeping less, and the quality of our sleep has deteriorated significantly compared to the past. Insomnia can lead to heart disease, diabetes, depression, and obesity. The main cause of this is the blue light emitted by electronic devices.
1. The Impact of Blue Light
Our bodies have an internal clock in our brains that regulates our circadian rhythm. However, this biological rhythm relies on external cues, such as light and darkness, to self-regulate.
Sunlight contains a mixture of different wavelengths and has a significant amount of blue light. Absorbing blue light from the sun during the day can help you stay alert, improve work performance, and enhance your mood effectively.
However, with modern developments, modern light bulbs and electronic devices such as computers, phones, and TVs emit large amounts of blue light, disrupting our internal clocks if we are exposed to them in the evening.
Numerous studies have linked melatonin suppression in the evening to health issues such as obesity, cancer, and depression. Exposure to blue light in the evening tricks your brain into thinking it’s daytime, inhibiting melatonin production and reducing your sleep quantity and quality.
2. Measures to Limit Blue Light Exposure
Use lamps with soft red light or specialized night lights. Red light has the least impact on our biological clocks and melatonin levels.
Refrain from looking at TV, phone, or computer screens before bed for 2-3 hours.
Expose yourself to sunlight in the morning for at least 15 minutes.
If you have to work at night in front of electronic devices, consider wearing blue light-blocking glasses.
Maximize your exposure to natural light during the day, as this will enhance your ability to sleep at night and improve your mood and alertness during the day.
Further Reading: Simple tips to help you fall asleep easily and enjoy a good night’s rest.
Through this article, you can now understand the adverse effects of blue light on our health. If you have a habit of using electronic devices before bed, it’s time to break that habit for the sake of your well-being.
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