# Sit 'n Sleep > Showroom offers a wide variety of premium mattress brands with options to physically test products. Atmosphere is calm and informative, featuring smart mattress technology that helps identify the best fit. Staff provide personalized, no-pressure service and smooth transaction and delivery experiences. Source: https://www.atly.com/location/Sit-'n-Sleep8 - Address: 9197 Central Ave #G, Montclair, California, United States - Phone: +19092937791 - Website: https://www.sitnsleep.com/store/montclair-mattress-store/?utm_source=local&utm_medium=organic&utm_content=gmb - Google rating: 4.9 (883 reviews) ## What it is good for - Delivery — 8/10 - Sleep — 7/10 ## What people say - "Danny and Rich are knowledgeable and patient when helping you find sleep." - "Rich was so knowledgeable and patient helping me find a comfortable mattress." - "The delivery was prompt and the team was super." ## Good to know - The showroom features a wide variety of brands including Tempurpedic, Purple, and Sealy. - Rich provides personalized mattress recommendations based on individual needs. - Expect a smooth transaction and delivery setup when purchasing a mattress. - The store offers a return buyer discount for repeat customers. - The staff is knowledgeable and can explain differences among mattress types. ## 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.