Fig. 1
From: The effect of mandatory post-call relief on sleep and wellness in ophthalmology residents
Aggregate sleep data comparing optional and mandatory post-call relief groups. In graphs A and B, each data point represents amount of sleep obtained over a single 24-h period while residents were A) Not On Call and B) On Call. Each data point in Graph C represents a sleep obtained overnight between 8 pm and 8am while on call. Each data point in graph D represents post-call sleep, in which the majority of sleep was obtained between 8am and 8pm following a night on call. Lines represent the median and interquartile range