FILE - In this March 5, 2009 file photo, US singer Michael Jackson announces that he is set to play ten live concerts at the London O2 Arena in July, which he announced at a press confe

 

              FILE - In this March 5, 2009 file photo, US singer Michael Jackson announces that he is set to play ten live concerts at the London O2 Arena in July, which he announced at a press confe
FILE - In this March 5, 2009 file photo, US singer Michael Jackson announces that he is set to play ten live concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena. A sleep expert, Charles Czeisler, told jurors Friday, June 21, 2013, that Jackson exhibited symptoms of someone who was totally sleep deprived when he died in June 2009. Czeisler is a Harvard researcher testifying for Jackson’s mother in a negligent hiring lawsuit against concert promoter AEG Live LLC. (AP Photo/Joel Ryan, File)