How do screens -- such as TV and smartphones -- affect my kids’ sleep?

While the connection between poor sleep and bedroom TVs is well-established, the effect of small screens -- smartphones, iPods, tablets, or other small-screen devices -- on kids' sleep hasn't been studied until recently. A report released in January 2015 by the American Academy of Pediatrics suggests that they're just as worrisome – but for different reasons than TVs.

Television’s glare and volume obviously robs kids of sleep, but a small screen can inhibit sleep in other ways: by occupying kids when they should be sleeping, keeping their brains and bodies alert with interactivity, throwing off their natural sleep rhythm, and interrupting sleep with notifications. In the study, kids reported not sleeping as well and feeling as though they didn't get enough rest when they snoozed near a small screen.

Staying up too late can make kids cranky -- but there are real health risks, too. Obesity, poor school performance, even behavioral problems can stem from inadequate sleep. It's not always possible to clear the bedroom of all screens -- but instruct your kids to turn them off, download apps that disable the device at bedtime, and charge devices in your room at night  to help your kids get the rest they need.

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Teen, 14 years old written by Subakyoki

The only time I really let my device intirupt my sleep is on the weekends, other than that I'm always in bed by 10-10:30
Teen, 13 years old written by savannah17151

on school nights i stay up in till 930 or 950 so my mom and dad take my phone out of my room at 915 then i watch tv in my room for 5-15 minutes it is not a problem for me
Teen, 17 years old written by JR_71

I wouldn't say it's the screen keeping them up, it's more of the fact that it's there. The best thing to do is just not look at it, forget it's there.
Kid, 12 years old

Well staying too late is a different matter than TV and Smartphones because it is general so you should just make sure they have a bedtime if you are worried about that. I am on the computer/screen around 5-9 hours a day (I'm not joking either) and I don't have an effect on sleep, I also normally fall alseep to the TV and it helps me fall asleep because I hear it in the background.
Teen, 15 years old written by xxsidsidxx

Yes as long as they can reach it at night and have a charger it really does effect there sleep Most likely while your in your room they are spending countless hours doing stuff you may not approve depends on age
Teen, 13 years old written by OliRan321

This is so true, I hate to admit it but sometimes I get so caught up watching YouTube that I stay up until 4:00 am on a school night. But I need to have my phone next to my bed because I use it as an alarm. Please don't let this happen to your kids.