Studies warn that 50% of adults are disrupting their sleep if they take this common supplement in the evening

A woman with black hair wearing glasses and holding a glass of water sits on the edge of her bed and prepares to take a multivitamin supplement at night. .

From drinking coffee to staring at screens, there are certain habits that pretty much everyone knows you should avoid doing before bed if you want a good night's sleep.

However, there are some sleep-disruptors that aren't as widely known — and are even considered healthy — including one that may affect up to 50% of adults in the US.