Some people who use MDMA (Ecstasy) might feel so alert and "hyper" that they could keep dancing at a club for hours, los

Some people who use MDMA (Ecstasy) might feel so alert and "hyper" that they could keep dancing at a club for hours, losing their sense of time and dangerously raising their body temperature. However, others can experience anxiety, agitation, faintness, sweating, or chills.