Complex sentence: He had reportedly shown up a day late for the filming after missing his flight, requested alcohol, and become belligerent, and later said "I overtook my medication and took too many Xanax and I was a bit loopy".
Split into simpler sentences: He had reportedly shown up a day late for the filming after missing his flight, and then requested alcohol and became belligerent. He later said "I overtook my medication and took too many Xanax and I was a bit loopy".