It could be your iPad, your Kindle or any other screen you use for reading before turning the lights out.
New research explains why this happens.
But light of shorter wavelengths, such as the bluish tints emitted from a LED-backlit screens, suppresses nocturnal melatonin, according to the sleep study.
Does reading Kindle affect sleep?
Nope! The Kindle (unless Kindle Fire) is not a computer screen with blue light and glare. That blue light restrains the production of melatonin, making it harder for you to fall asleep. I’ve heard that screen time before bed can affect your sleep, but reading before bed helps me relax.
Do e readers interfere with sleep?
A new study has claimed that light-emitting e-readers “negatively affect sleep, circadian timing and next-morning alertness” when used in the evening. When I hear “e-reader”, I tend to think “dedicated e-reader” – an e-ink device without a backlit screen — rather than a multi-purpose tablet.
Is Kindle backlight for night reading?
How to Read a Kindle in the Dark Using the Backlight. The Paperwhite version of the Amazon Kindle e-reader has a built-in light that allows you to read content in the dark. That means you don’t have to turn on a light at night and disturb your significant other if you want to relax and read a good book on your Kindle.
How do I set my Kindle to night reading?
How to Switch a Kindle to Night Settings
- Tap “Books” from the home screen.
- Locate the book you want to read and tap it to open.
- Tap the screen to pull up the Options toolbar and tap the “Text” button. Select the “Font Style” tab and select the white on black text option from the Color Mode row.