Bed bugs inhabit every country on the planet, will feed on anyone, and can live in many climates. They usually hide during the day and come out at night to feed on our blood while we sleep. They cause sleepless nights, pain and itching (at the site of bites) and paranoia. Many people find themselves asking where did they come from? How did they get here? The history of bed bugs is long, dating back at least 3,000 years. People have used many ways to rid themselves of these unwanted pests, and even tried to find ways to use them to cure medical ailments.