RE: Holy Cow. Sleep is Important. (Some thoughts on the inestimable value of sleep, as well as the necessity(?) of sometimes...not sleeping)

[alexfergus.com]

Sleep is so important for health. But watch out for blue light - blue light also suppresses melatonin. Look at wearing blueblocker glasses at night to avoid this (the glasses reduce the blue light entering the eye, allowing you to use technology/devices etc without disrupting sleep)