A cup of death wish coffee will lead to sleepless nights.

Brown, a coffee shop owner from New York in the United States, has developed a coffee called "death wish" (DeathWish), which is packed with a skull and called "the most refreshing in the world". It contains four times as much caffeine as regular coffee and comes with a health warning to drink up to two cups a day.

Coffee drinkers always have their own preferences. Some people prefer bitter taste, others prefer sweet taste with milk and sugar. For those who have a challenging spirit, they always try a variety of fresh, with a variety of heavy flavors of black coffee to vent their excitement. As a result, a kind of coffee called "death wish", known as the dark cuisine of the coffee world, began to go viral.

Death Wish coffee, packed with skulls, is known as "the most refreshing in the world". It contains four times as much caffeine as regular coffee and comes with a health warning to drink up to two cups a day. Brown, the inventor of the coffee, threatened to get a refund if the customer tasted it and found it didn't live up to its name.