“This Is What Happens to Your Brain and Body When You Check Your Phone Before Bed”
Here’s a cool short video on the potential problems with checking your phone before bed. It can mess up your sleep – and sleep is supremely important for your mental performance and for your health.
Personally I cheat a bit. I regularly read books on my smartphone as I’m getting ready for sleep. But I use the Kindle app with black background and white text. Plus I minimize the brightness of the screen and text. I can still comfortably read in a pitch dark room, but there’s a minimal amount of light and I tend to get sleepy and fall asleep pretty fast.
What are your phone habits before bed?
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By the time the implications of the runaway "blue light at night" problem are really understood, a lot of people are going to have serious but entirely optional circadian problems with major symptoms and side effects ... one of which is cancer.
The rods&cones may make your eye a camera. The recently re-discovered ipRGCs make your eyes a clock, and one that is not to be trifled with.