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Even the tiniest LED lights can be disrupting your sleep, but luckily, there's one product that will help.

“Although sleep is mainly affected by our natural circadian rhythm or sleep/wake cycle, too much light can impact the quality of our sleep,” Hafeez told HuffPost. “When a WiFi router is on and working correctly, the internet LED is solid white, meaning it’s connected to the internet. It is often the color of the light and its position that impacts sleep quality, instead of the size. Exposing yourself to white light during waking hours of the day has positive effects, as it boosts mood and alertness. However, white light, which also contains blue light, can keep you awake and alert at night.”

“Worked perfectly - great for TV and outlet lights!” —Pepe

“I bought 2 products; complete black out, and a partial black out film. It seems silly to purchase something when you can put black electrical tape or blobs of black liquid electrical tape on every little pilot light in the house, which I’ve done ’til now. But this is so convenient! And the partial black out can dim the bright lights of my clock radio, which is too bright at its dimmest, and my router, where you want to see something but don’t want it reflecting off the walls as you try to sleep! I’ve also used it to block light on medicine bottles that shouldn’t be exposed to light.” —Patricia D.

“Works as advertised, blocks out those annoying lights that can interrupt sleep. I noted some reviews felt it was difficult to remove the stickers off the sheet, but I did not find that to be the case and I have severe arthritis in my fingers. It only took me a few seconds to pry them off, so not a big deal. Well worth the price.” —Priscilla

“Handy when it comes to covering up the little LED lights. Makes a huge impact in creating a dark space.” —LAValentine

Reviews have been edited for length and/or clarity.