# Sit 'n Sleep > Mattress store offers a broad selection with expert assistance to help find the right firmness. The atmosphere feels like a Disneyland of mattress stores, making shopping engaging and informative. One-day delivery and quick mattress expansion add convenience to the experience. Source: https://www.atly.com/location/Sit-'n-Sleep27 - Address: 16595 Magnolia St, Westminster, California, United States - Phone: +17146952457 - Website: https://www.sitnsleep.com/pages/westminster-mattress-store?utm_source=local&utm_medium=organic&utm_content=gmb ## What it is good for - Comfortable — 8/10 - Sleep — 7.8/10 - Delivery — 7.1/10 ## What people say - "James made my delivery easy and accommodated my requested date." - "I found the process easy and the staff patient and knowledgeable." - "Phil was so nice and patient helping me choose my sleep options." ## Good to know - Next day delivery is available for most mattresses. - The Bed Match Technology helps find the right mattress for your needs. - Customer service is responsive and helpful for any issues. - A broad selection of mattresses is available to suit different preferences. - The store offers a firmness test to help you choose the right mattress. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.