| Parameter/Category | VapoRub (N = 46) | Petrolatum (N = 47) | P value1 |
| Subjective Quality of Sleep Questionnaire |
| ||
| Wake Up Refreshed3 | 36.5 (15.59) | 31.2 (20.00) | 0.1575 |
| Sleep Quality2 | 60.8 (17.49) | 65.1 (19.98) | 0.2750 |
| Sleep Onset Latency (min) | 25.1 (18.08) | 26.4 (19.31) | 0.7518 |
| Number of Awakenings | 2.5 (2.11) | 2.9 (2.03) | 0.4154 |
| Total Sleep Time (min) | 463.1 (57.76) | 466.9 (46.96) | 0.7337 |
| Wake After Sleep Onset (min) | 19.1 (23.61) | 18.8 (20.99) | 0.9447 |
| Sleep Efficiency | 89.5 (7.05) | 89.7 (5.92) | 0.8527 |
| Post-sleep Questionnaire |
| ||
| How Easy Falling Asleep3 | 41.7 (17.01) | 42.0 (23.85) | 0.9472 |
| How Deep Was Sleep2 | 57.5 (19.15) | 57.1 (23.14) | 0.9291 |
| Actiwatch |
| ||
| Total Sleep Time (min) | 403.7 (65.97) | 394.0 (40.77) | 0.3939 |
| Sleep Onset Latency (min) | 18.7 (28.70) | 18.7 (25.47) | 0.9992 |
| Mean Activity Score | 21.9 (10.26) | 21.3 (9.43) | 0.7652 |
| Percentage of Sleep | 83.4 (5.62) | 83.1 (5.84) | 0.8070 |
| Sleep Efficiency | 79.9 (7.05) | 79.2 (7.00) | 0.6226 |
| Number of Sleep Bouts | 32.9 (8.54) | 32.1 (8.79) | 0.6637 |
| Wake After Sleep Onset (min) | 80.1 (28.14) | 81.0 (32.64) | 0.8829 |