Jason Bachewich at Nature Doctors writes about importance of limiting exposure to blue light before bedtime to improve the quality of sleep. 

Sleep – do you have a problem? 

More information on the importance of limiting exposure to blue light before bedtime. 

If (like me) you rely on the quiet hours before bed to get work done on computer, think about investing in a pair of blue light blocking glasses that filter both blue light and short wavelength radiation. These glasses allow you to get your work done or watch your favourite show before bed without disrupting the secretion of melatonin or the cleansing of your brain described in the article. 

Read the full article here www.thenaturedoctors.ca