Water. As long as you don't have CHF the water should be ok.
When I do sex & then sleep I feel next day with cheast pain, It calms down when I drink water before sleep, I've Gerd, is this heart related or gerd?
Likely GERD. If you're really 26 as stated, heart pain would be exceedingly rare unless you have diabetes or use cocaine. Moreover, pain that occurs at rest or lying down is very atypical for heart pain. (GERD can occur with exercise however and distinguishing this from angina requires a stress test). Read more...