The Strongest Coffee in the World Black Insomnia is 6 x stronger than average coffee - so you can be more than average. Expertly crafted combination of strength and flavor to supercharge your morning coffee experience. Smooth yet strong caramel, hazelnut, and macadamia aromas. A bold dark chocolate flavor with a velvety body and crema. Low in acidity and all-natural. * Designed for those who drink it black, our medium-dark classic roast is the one that started it all. * A perfectly roasted balance between bold and smooth flavor. * Ideal for those who want the caffeine kick from a roast slightly lighter then dark. * Carefully selected and roasted blend of the highest quality Arabica and Robusta beans ensure bold flavor without tasting burnt or bitter.