What does it mean when you have a headache on one side of your head for hours ? and it's hurts your eyes a bit and i tried to sleep it off didn't work

Migraine: This is migraine; some tips: sleep hygiene = 8 hours of uninterrupted sleep every night. Smoking cessation. Adequate hydration, at least 64 ounces of water each day. Moderation of caffeine intake, less than 5 cups coffee per day. Stress reduction. Riboflavin 400 mg/day, and/or magnesium oxide 400-800 mg/day. Yoga, gentle stretching, massage, meditation. Hope this helps, good luck!