Who said "I don't sleep well. The dead don't let me."?

This quote is attributed to Rick Deckard.

I don't sleep well. The dead don't let me. - Rick Deckard

"I don't sleep well. The dead don't let me."

Rick Deckard Death

"I've seen things you people wouldn't believe."

"All I know is what I know."

"Sometimes I wonder what's real and what isn't."

"We're not so different, you and I."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."