Additional sleep (hours) gained by use of hyoscyamine hydrobromide
| Patient | S1 | S2 |
| 1 | 0.7 | 1.9 |
| 2 | -1.6 | 0.8 |
| 3 | -0.2 | 1.1 |
| 4 | -1.2 | 0.1 |
| 5 | -0.1 | -0.1 |
| 6 | 3.4 | 4.4 |
| 7 | 3.7 | 5.5 |
| 8 | 0.8 | 1.6 |
| 9 | 0 | 4.6 |
| 10 | 2.0 | 3.4 |
| Patient | S1 | S2 |
| 1 | 0.7 | 1.9 |
| 2 | -1.6 | 0.8 |
| 3 | -0.2 | 1.1 |
| 4 | -1.2 | 0.1 |
| 5 | -0.1 | -0.1 |
| 6 | 3.4 | 4.4 |
| 7 | 3.7 | 5.5 |
| 8 | 0.8 | 1.6 |
| 9 | 0 | 4.6 |
| 10 | 2.0 | 3.4 |