The Cleveland Children's Sleep and Health Study dataset posted on the NSRR has gone through various post-processing steps in order to prepare the data for more widespread sharing. Changes and updates to the source data and have been coordinated in the ccshs-data-dictionary repository.
The dataset is broken down as following:
ccshs-trec-dataset(TREC visit) -- CCSHS visits that took place between 2006 and 2010
Data from other visits will be uploaded at a later date.