Figures & data
Table 1. Sample description.
Figure 1. Distribution of sleep onset (panel A) and wake-up time (panel B) by country and type of day.
![Figure 1. Distribution of sleep onset (panel A) and wake-up time (panel B) by country and type of day.](/cms/asset/e2b1756f-6430-41c0-a239-65806e8c055b/rady_a_2335198_f0001_b.gif)
Table 2. Averages of the sleep parameters on schooldays and non-schooldays by country.
Table 3. Linear mixed models with ID as random effect for sleep duration, sleep duration and wake-up time.
Figure 2. Proportion of respondents asleep by type of day.
![Figure 2. Proportion of respondents asleep by type of day.](/cms/asset/96178557-3849-4539-90fe-4ba6df9ea8ed/rady_a_2335198_f0002_oc.jpg)
Table 4. Linear (mixed) models for sleep duration, sleep onset and wake-up time by country.
Figure 3. Insufficient sleep (measured as less than 8 hours of sleep per day) by type of day and country.
![Figure 3. Insufficient sleep (measured as less than 8 hours of sleep per day) by type of day and country.](/cms/asset/abb19f41-52e7-4b8b-a73e-e7f03b139107/rady_a_2335198_f0003_b.gif)
Figure 4. Tempo-graphs of activities carried out 2 hours before sleep onset for schooldays and non-schooldays.
![Figure 4. Tempo-graphs of activities carried out 2 hours before sleep onset for schooldays and non-schooldays.](/cms/asset/bd6ae44a-1fde-4204-bcd9-d3b946d9c05d/rady_a_2335198_f0004_oc.jpg)