Sit n' Sleep is on Avenida Acacias, just off of the I-215 Freeway. The company was founded in 1978 and is one of the largest mattress retailers in the country. Sit n' Sleep has an awesome selection of mattressesin sizesranging from twin to California king.These mattresses are made by companies like Sealy, Simmons, Serta, Miralux and Stearns & Foster. Sit n' Sleepis also agreat place for bedroom storage units, nightstands, beds and bed frames. The company has a full line of sheets, pillows and mattress accessories as well.