Table 2 Categories of sleep duration adaptation Prior to Ultramarathons the week before the event
Total (n = 1154) | La Diagonale Des Fous-DDF (n = 882) | Le Trail De Bourbon-TDB (n = 272) | p | |
|---|---|---|---|---|
Runners with increased in average sleep duration, n (%) | 633 (54.9) | 500 (56.7) | 133 (48.9) | 0.02 |
Increase of naps duration alone | 133 (11.5) | 103 (11.7) | 30 (11.0) | |
Increase of sleep duration at night alone | 281 (24.4) | 216 (24.5) | 65 (23.9) | |
increase of both | 219 (19.0) | 181 (20.5) | 38 (14.0) | |
Runners without change in average sleep duration but with changes in sleep schedules, n (%) | 68 (5.9) | 53 (6.0) | 15 (5.5) | 0.76 |
Earlier bedtime and earlier wake-up | 46 (4.0) | 36 (4.1) | 10 (3.7) | |
Later bedtime and later wake-up | 22 (1.9) | 17 (1.9) | 5 (1.8) | |
Runners with reduction in average sleep duration, n (%) | 12 (1.0) | 9 (1.0) | 3 (1.1) | 1 |