Avoiding Caffeine and Blue Light When using sleep patches to improve rest, it’s important to support their effectiveness by creating the right nighttime environment. Two major sleep disruptors, caffeine and blue light, can counteract the calming effects of sleep patches and make it h arder for your body to relax. Caffeine, found in coffee, tea, chocolate, and energy drinks, is a stimulant that blocks adenosine , the brain chemical responsible for making you feel sleepy. Even small amounts consumed late in the day can delay your natural sleep cycle and reduce deep sleep. To get the best results from sleep patches, it’s recommended to avoid caffeine at least 6 hours before bedtime. This allows your body to fully respond to the patch’s relaxing ingredients, such as melatonin, CBD, or herbal extracts. Similarly, blue light emitted from phones, tablets, computers, and TVs suppresses the production of melatonin, the hormone that signals to your body it’s time to sleep. When you use s...