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Quantity of sleep on workdays and on weekend days among female physicians in 2003 (T1) and in 2013 (T2) hour (SD)
| Quantity of sleep | T1 | T2 |
|---|---|---|
| Average hours of sleep on workdays (hours and SD) | 6.759 (SD = 0.898) | 6.715 (SD = 1.189 |
| Average hours of sleep on weekend days (hours and SD) | 8.07 (SD = 1.48) | 7.99 (SD = 1.399) |
