From anecdotal experience, it makes essentially no difference. I read for an hour or two before bed every night. Paper, kindle, or my current iPad mini make no

From anecdotal experience, it makes essentially no difference. I read for an hour or two before bed every night. Paper, kindle, or my current iPad mini make no real difference to my sleep. Dim lights, relaxing, and trying to clear my brain of distractions other than what I’m reading make more of a difference. It’s almost but not quite like meditation.