Blue light is one of the most common forms of light pollution. It is emitted from a broad range of electronic devices, including computers, televisions, phones, and tablets. While blue light is beneficial in some ways, too much exposure can be harmful.

Blue light has been shown to disrupt sleep, especially when exposure is late at night. It can also cause eye fatigue and glare. In addition, blue light has been linked to a variety of health concerns, including cancer and heart disease.

There are several ways to reduce your exposure to blue light from electronic devices. One is to …