Do you have any tips for people experiencing painful menstrual cramps?

These are some of the tips I am aware of. Do any of these work for you? Do you have anything else you do?

- Anything with heat
-------For example, heat pads, hot/warm showers, drinking hot fluids like soup or tea
- Dark chocolate
- Exercise
- Sleep/rest
- Lying down
- ibuprofen or naproxen
- Drinking fluids