| throughout the night | 8 | temporal |
| unlike most other pillows | 2 | other |
| for a longer period | 2 | temporal |
| pillow → stay → firm | 15 |
| pillow → remain → firm | 4 |
| pillow → hold → their firm shape | 3 |
| negative | neutral | positive |
| 0.015 | 0.406 | 0.579 |
| Raw frequency | 22 |
| Normalized frequency | 0.348 |
| Modifier score | 1.000 |
| Perplexity | 453.392 |