Exposing yourself to too much blue light (from your smartphone, tablet, or computer) before bed has a negative influence on the quality of your sleep.
Your Ultimate Guide For Waking Up Early
Zdravko Cvijetic

What about Kindles? My primary issue with this has always been that I read in bed and so I’ve been limited in my choices, so most of my books are digital. So I started getting library books for some books I have digitally and then I just continue while I’m in bed with paper, but honestly I’ve been wondering if a Kindle I’d an acceptable option. What do you think Zdravko Cvijetic?