Tablets Impact Sleep?
While reading on tablets (iPad, Kindle, etc.) has many benefits (more economical, environmentally friendly, etc.) there may be some drawbacks as well. A small study recently conducted found that “exposure to light from self-luminous displays may be linked to increased risk for sleep disorders because these devices emit optical radiation at short wavelengths, close to the peak sensitivity of melatonin suppression.” Simply put, after two hours of tablet reading (or gaming) the level of melatonin suppression reached a level that could cause issues with your sleep.
If you use a tablet, take note of how reading near bed time impacts your ability to sleep. If you see an negative impact, you may want to use it less or insure that you have a few hours between the time you read and when you go to bed.