7 Surprising Hiccups Facts

They can last for days—or longer.

Most of the time, hiccups will go away within a few minutes when the body resets to a normal breathing rhythm. Sometimes, though, they can linger an uncomfortably long time—episodes that last longer than two days are known as persistent hiccups, and ones that last longer than one month are known as intractable hiccups. One 60-year-old man had the hiccups for more than a year.