They can range from mildly uncomfortable to completely debilitating, and most people have experienced them at some point in their lives.
But one man thinks he's got the answer for curing a headache, pronto.
Business consultant Kamil K Wawrzyszko has shot to fame on YouTube with his bizarre trick for getting rid of a headache in as little as two minutes.
In the video, which was originally posed in 2012 but has gone viral over the past week, Kamil cautions while he's not a doctor, he has helped numerous people with headaches and sleep problems.