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Sleep – do you have a problem?

  https://www.cbc.ca/radio/quirks/blog/get-some-sleep-and-get-your-brain-washed-1.5361273   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 […]