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Figure 1

From: The interindividual variability of sleep timing and circadian phase in humans is influenced by daytime and evening light conditions

Figure 1

Entrainment phase angle distribution for a population of 200 simulated individuals with a normally distributed intrinsic circadian period with means (± SD) of 24.15 (± 0.2) h33 when entrained to various corneal illuminances (i.e., at the eye position). (a) Results for the LD 16:8 schedule. (b) Results for the LD 10:14 schedule. The central marker indicates the median, and the bottom and top edges indicate the 25th and 75th percentiles, respectively. The whiskers indicate the most extreme data points (population minima and maxima).

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