Research Article
A Feasibility Study on Smart Mattresses to Improve Sleep Quality
Table 2
Body parts and corresponding mattress positions.
| Body parts | Mattress line number |
| Head | 1∼2 | Shoulder to the chest | 3∼6 | Waist | 7∼8 | Hips | 9∼10 | Thighs | 11∼13 | Calves | 14∼16 |
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