"From my perspective, and knowing him as well as I did, it was a combination of exhaustion, sleeping medication [prescribed for his chronic insomnia]..perhaps the after effects of the flu.I guess his body just stopped breathing." Sleeping Alone in a King-Size Bed As for his relationship with Michelle Williams, Terry Gilliam, who directed Ledger in .

Assuming he was asleep, she began to set up a massage table near his bed.

However, when she went over to the bed to wake him, there was no response.

Questions have arisen about whether his overdose was really accidental. And some have even suggested that he was so depressed over his split with Michelle Williams — the mother of his only child, Matilda — that perhaps he no longer wanted to be alive.

Antidepressants Linked To Male Infertility Friends and colleagues close to the late actor, however, insist that his death really was unintentional.

And in the cover story of July's , entitled "The Last of Heath," they share their thoughts on the end of both his life and his relationship with Williams.

One thing they make very clear from the get-go is that Ledger was not (in their opinion) an addict.

'" Gillian seconds that sentiment, saying that initally during the breakup: "He really thought he could do the right thing. I'm not giving Michelle anything.'"Sadly, his words turned out to be prophetic.

He was trying to be decent and graceful, give her whatever she wanted..." Losing My Husband, Then Learning Of His Infidelity But apparently, the stress of custody proceedings and lawyers eventually took their toll. When he died, Ledger left behind a will that pre-dated his relationship with Williams and thus, left nothing to her or Matilda.

Insiders reveal to Vanity Fair details about their last days as a couple.

Like so many handsome, talented stars who die young, Heath Ledger has become the subject of great attention and speculation since his untimely passing in 2008 at the age of 28.

The 911 operator urged the masseuse to try to revive the actor, but she was unsuccessful.