8 horrible things that happen if you don't get enough sleep

Samantha Lee/Business Insider

Surrounding ourselves with screens comes with an unexpected side effect: We can't sleep. And our bodies and minds are suffering.

Whether it's because we're staying up to squeeze in a final episode of "The OA" or scrolling through Facebook, nearly 40% of us get less than seven hours of sleep a night, according to a recent Gallup poll. And the CDC estimates that another 50-70 million Americans likely have a sleep disorder.

Here are eight horrible things that can happen if you don't get enough sleep: