Table 2. Migraine triggers in one of the largest migraine trigger studies.

MIGRAINE TRIGGER	PERCENTAGE
Stress	79.7
Hormones	65.1
Missing a meal/hunger/fasting	57.3
Weather change	53.2
Sleep disturbance	49.8
Perfume or odor	43.7
Neck pain	38.4
Light	38.1
Alcohol	37.8
Smoke	35.7
Sleeping late	32.0
Heat	30.3
Food	26.9
Exercise	22.1
Sexual activity	5.2