How Much Time Does Blue Light Really Take Off Your Sleep? It’s Less Than You Think…

The Truth About Blue Light and Sleep

Blue light is a type of light that is emitted from electronic devices, such as smartphones, tablets, and computers. It has been shown to have a negative impact on sleep, but how much time does it really take off your sleep?

The Research

A study published in the journal JAMA Internal Medicine found that exposure to blue light for two hours before bed reduced sleep time by an average of 13 minutes.

Another study, published in the journal Sleep, found that exposure to blue light for one hour before bed reduced sleep time by an average of 19 minutes.

So, how much time does blue light really take off your sleep?

• Two hours of exposure to blue light before bed reduces sleep time by an average of 13 minutes.
• One hour of exposure to blue light before bed reduces sleep time by an average of 19 minutes.

What can you do to reduce your exposure to blue light?

• Avoid using electronic devices for two hours before bed.
• If you must use electronic devices before bed, use them in a dimly lit room.
• Use blue-light blocking glasses.
• Install a blue-light filter on your electronic devices.

Conclusion

Blue light can have a negative impact on sleep, but the amount of time it takes off your sleep is less than you might think. By following the tips above, you can reduce your exposure to blue light and improve your sleep.