In an effort to highlight new and exciting work related to the NSRR, we are featuring guest blog posts from authors who have recently published using NSRR data. The following references: Zeng S, Li F, Wang R, Li F. Propensity score weighting for covariate adjustment in randomized clinical trials. Statistics in Medicine. 2020;1–17. https://doi.org/10.1002/sim.8805 Please contact support@sleepdata.org if you have new work you would like to share in a guest blog post. Keep reading