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Baseline physiological and sleep metrics intraindividual mean and SD.
| Metric | Intraindividual mean, mean (SD) | Intraindividual SD, mean (SD) |
| Heart rate variability (ms) | 52.09 (21.58) | 13.16 (6.94) |
| Resting heart rate (bpm) | 63.09 (6.36) | 4.95 (1.50) |
| Respiratory rate (rpm) | 16.27 (1.23) | 0.37 (0.12) |
| Sleep (hours) | 6.71 (0.58) | 1.48 (0.39) |
| REMa sleep (%) | 21.99 (6.71) | 6.49 (1.23) |
| Deep sleep (%) | 19.10 (2.15) | 3.81 (0.66) |
aREM: rapid eye movement.
