iPad insomnia: Amazon Kindle better for your sleep than Apple tablet

With a nearly limitless library of books available for instant download, the Apple iPad is a tempting purchase for literature lovers.There’s just one small deal-breaker: it’s bad for bedtime reading.The device’s bright, colorful screen can get in the way of bedtime habits and encourage insomnia.Over the weekend Frisca Yan-Go, director of the AASM certified UCLA Sleep Disorders Center, told the