Angina
"I didn&#039;t realize how much my Prinze Metal angina was affecting my sleep until I started Ranexa.  Within two nights I was sleeping ten hours/night without interruption and awakening refreshed. The first time in over fifteen years. What an incredible experience, night after night, to have no shortness of breath and to be free of chest tightness.  Amazing.  I&#039;d forgotten the freedom"