| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | mattress | United States | In the United States, mattresses are seen as essential for quality sleep and come in different sizes, materials, and firmness levels. | 17 |
| 2 | mattress | United Kingdom | In the United Kingdom, mattresses with spring coils and foam layers are popular for sleeping comfort. | 7 |
| 3 | mattress | Europe | In Europe, mattresses are considered essential for a good night's sleep and are available in various sizes and materials. | 6 |