Jamie Foxx is finally giving more details about what led to his sudden 2023 hospitalization. In a new video, posted to X, formerly known as Twitter, on Monday, July 1, the actor, 56, spoke to a group of people at a restaurant, where he claimed someone gave him Advil for a headache — and then everything went downhill from there. “Look, April 11 last year, bad headache, asked my boy for an Advil [and] I was gone for 20 days. I don’t remember anything. I’m in Atlanta, they told me—my sister and my daughter took me to the first doctor,” he claimed in the clip. “The next doctor said, ‘There’s somet…