Last updated: June 21. 2013 2:37PM - 736 Views
Associated Press



FILE - - In this March 5, 2009 file photo, US singer Michael Jackson announces at a press conference that he is set to play ten live concerts at the London O2 Arena in July 2009. David Berman, a recording industry expert hired by Jackson’s mother, Katherine, testified Monday June 17, 2013, that concert promoter AEG Live LLC created a conflict of interest by negotiating with the singer’s physician for services on the “This Is It” tour. Katherine Jackson is suing AEG Live, claiming it failed to properly investigate the doctor and ignored warning signs about her son’s health before his death on June 25, 2009. (AP Photo/Joel Ryan, File)
FILE - - In this March 5, 2009 file photo, US singer Michael Jackson announces at a press conference that he is set to play ten live concerts at the London O2 Arena in July 2009. David Berman, a recording industry expert hired by Jackson’s mother, Katherine, testified Monday June 17, 2013, that concert promoter AEG Live LLC created a conflict of interest by negotiating with the singer’s physician for services on the “This Is It” tour. Katherine Jackson is suing AEG Live, claiming it failed to properly investigate the doctor and ignored warning signs about her son’s health before his death on June 25, 2009. (AP Photo/Joel Ryan, File)
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(AP) Michael Jackson's inability to learn new dance moves and remember the lyrics to his songs were symptoms that the singer was totally sleep deprived by the time of his death, a sleep expert told a jury Friday.


Charles Czeisler said reports by workers on Jackson's ill-fated comeback concerts that the entertainer was losing weight, exhibiting signs of paranoia and his condition seemed to be deteriorating were consistent with someone who hadn't gotten any real sleep in a long time.


The sleep deprivation was likely caused by Jackson's use of the anesthetic propofol, which Czeisler said would put the singer in a drug-induced coma and not meet his body's need for actual sleep. Tests in animals showed that similar levels of sleep deprivation resulted in the deaths of laboratory animals and would likely cause the death of a human, he said.


Czeisler relied heavily on testimony and emails from choreographers and others working on Jackson's "This Is It" tour to form his opinion. The testimony detailed Jackson's missed rehearsals and reports that he was picking up dance moves slowly, as well as that he requested a teleprompter to display lyrics to his songs.


"The meticulous detailing of his deterioration here was both profound and sad," Czeisler said.


The Harvard professor and sleep researcher is testifying as a sleep expert in a lawsuit filed by the singer's mother against concert promoter AEG Live LLC.


Czeisler, who is being paid $950 an hour for his work on the case, said he reached his opinion after reviewing testimony and other evidence shown to jurors during Katherine Jackson's eight-week trial against AEG.


A lawyer for Katherine Jackson summarized the evidence used to form the basis for Czeisler's opinion in a 17-minute, 1,833 word question that caused the trial to grind to a halt on Thursday afternoon and Friday morning.


A judge said the question by attorney Michael Koskoff contained details that are inadmissible in the trial and misstated several other details. Superior Court Yvette Palazuelos opted not to strike the question from the record but allowed Koskoff to clarify it. That process took another 19 minutes on Friday.


Attorneys spent roughly an hour arguing over the structure of the lengthy question, leaving jurors waiting for nearly 30 minutes on Friday.


Czeisler earned more than $250 listening to the initial question, and more than $300 listening to Koskoff clarify it.


Katherine Jackson's negligent hiring suit claims AEG Live is responsible for her son's death because it failed to properly investigate Conrad Murray, who was convicted of giving Jackson a fatal dose of propofol, and missed warning signs about his health.


AEG denies it hired Murray or could have known that the former cardiologist was giving Jackson propofol as a sleep aid.


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Anthony McCartney can be reached at http://twitter.com/mccartneyAP


Associated Press
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