Almost 50% of US households use this item, but it can ruin your deep sleep — here's how to fix it to fall asleep fast and stop 3 a.m. wakeups

A split-screen comparison showing a woman brushing their teeth in a bathroom with harsh, bright white LED overhead lighting on the left, and a woman performing skincare in a warm, amber-toned dimly-lit bathroom on the right.

A common household item could be stopping you from falling asleep fast and getting enough deep sleep, without you even knowing. However, the good news is that there is an easy way to fix it.

Health scientist Tom Coleman, who is also a sleep expert at Hillary's, explains how your home's ultra-bright bulbs, especially ones emitting cool blueish-white light, could be making it harder for you to fall asleep and make you more prone to insomnia.