However, when we allow ourselves to be overcome by our worries and anxiety, that is when we run into problems and start to overthink things. We grow stressed, which can elevate our blood pressure, cause headaches and illness, and mess with our sleep cycles. Here are 3 ways to replace your pesky overthinking habit:1. Gather information about what you’re worried or stressed aboutRemember this mantra: the best antidote to anxiety is information. Studies have revealed that looking up information when you’re stressed helps you feel more in control and cuts down on that terrible not-knowing feeling.