Headaches are varied and can be caused by the smallest things such as stress, dehydration, or looking at a display for a long time. Pain relief is sometimes simple and in this case, Disprin will help. Also, drink water, have a break every half hour of screen time, and learn to control bad thoughts by doing relaxation exercises such as deep breathing. If pain persists for a day, or if the symptoms worsen, consult a doctor to conduct a full examination and have them prescribe the best form of recovery.