How to get blood out of sheets? can be a breeze with a few simple steps. Start by blotting the stain with cold water to dilute the blood. Then, apply a mixture of hydrogen peroxide and dish soap to the affected area. Let it sit for a few minutes before rinsing with cold water. For stubborn stains, consider using enzyme-based cleaners or a paste of baking soda and water. Always check care labels before treating.