'He has hearing aids now and even then he can only hear out of one ear.'You have to lean down and talk into his good ear for him to understand you.'We could sit right next to him and he wouldn't have a clue what we said.'Hefner died on Tuesday of natural causes inside his Los Angeles home.
He is survived by his wife, his daughter Christie; and his sons, David, Marston and Cooper.
They were married in December 2012 - with her becoming his third and final wife.
But Harris isn't the only one to make the claim that the Playboy mogul was deaf.
His former twin lovers, Karissa and Kristina Shannon, said one month before Harris' 2011 interview that Hefner could only hear out of one ear.
Once a widow hits 65, the odds for remarriage fall off sharply.
The then-26-year-old said: 'He tries not to take Viagra any more because it makes him lose his hearing.' Harris made the claim while on the Howard Stern show when she was asked about her sex life with Hefner.
The then-26-year-old said: 'He tries not to take Viagra (file above) any more because it makes him lose his hearing.'This interview is also when she made the claim, that she later took back, that Hefner lasted 'about two seconds' in bed.
Hugh Hefner's 31-year-old widow Crystal Harris said that taking too much Viagra made her husband lose his hearing during a 2011 radio interview.
Harris was being interviewed on Howard Stern's show weeks after breaking off her first engagement to the Playboy magnate when she made the claim.