Hayden Panettiere is giving insight into what led up to that now-viral interview. On Sunday, September 22, the former child star, 35, took to Instagram to address her recent alarming interview where her speech appeared slurred. “I would like to take a moment to address the controversy surrounding an interview I recently completed with PEOPLE Magazine,” she began in the update. “It’s unfathomable that I’m even in this position, but I feel forced to address it in a space where I won’t be criticized for how fast or slow I speak.” “I hadn’t slept for two days prior to the shoot due to one of my do…