On June 1, 1968, she passed away peacefully in her sleep.

Aunt Louise died early one morning having, as people say, passed away in her sleep.

The mother passed three weeks later in her sleep.

But this afternoon, I am sorry to say that he passed away quietly in his sleep.

Passed away in his sleep on October 7, 1997.

A voice told me-softly-that Joan had passed away in her sleep.

Three days later, on April 5, 2005, she took a nap and apparently passed away in her sleep.

She'd lived to be nearly ninety and had passed on quietly in her sleep.

They bid on hands that most players would pass in their sleep.

She had died, finally, of old age, passing away in her sleep.