Holly Wright from Grand Rapids, Michigan had been using the furniture every day for two months when she made the surprising discovery - the couch was home to a boa constrictor.
Wright said she does not know where the snake came from; she found the couch on the curb outside a house in Heritage Hill.
Wright, along with her boyfriend, videotaped the creature, 'WZZM TV' reported.
"It's been living in the couch for like two months in my bedroom and I had no idea and it looks pretty big," said Wright.
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"We smelled it and everything - it looked OK. We peeled off the cushions, cleaned it up, never saw anything," said Wright.
Over the weekend, the snake emerged from inside the couch, the report said.
Wright said they tore the side of the couch and removed the snake and put it into a box for safe keeping.
She said they intended to take the snake to an animal expert, but unfortunately the serpent died before that.