Fig. 2From: Sleep Regularity and Predictors of Sleep Efficiency and Sleep Duration in Elite Team Sport AthletesImportance of each variable for A average total sleep time and B average sleep efficiency over all days from the linear regression model. MAD = median absolute deviation; *Greyed out variables were removed from the final model due to collinearity issues (sleep midpoint both models, variance inflation factor [VIF] = 11.9)Back to article page