There are many things that can trigger a migraine to those who are prone to them. Triggers can include foods, drinks, certain physical activities and exercise, sleep deprivation, stress, odors, bright lights, hormones and even medications can bring one on. Here are 5 surprising triggers you probably wouldn't have thought of. It's important to keep in mind migraine triggers can vary from person to person. Risk factors for migraines can be rooted in genetics. More studies are underway and needed to understand the genetic undertones in the development of migraines. If you're immediate family members suffer, you're most likely at risk.