Sage Stallone was not known for going out to clubs and partying, Braunstein said.

CNN: Stallone begs for end of 'speculation' about son's death

Los Angeles (CNN) -- Sylvester Stallone appealed Monday for an end to "speculation and questionable reporting" about his son's death, while police and the coroner investigate what killed Sage Stallone last week.

CNN: Stallone begs for end of 'speculation' about son's death

Sage Stallone, 36, was found dead in his Los Angeles home Friday by his housekeeper, who was asked by Stallone's mother to check on him after his lawyer and friend, George Braunstein, was unable to reach him, Braunstein told HLN's Jane Velez-Mitchell on Monday.

CNN: Stallone begs for end of 'speculation' about son's death