Funding for this research was provided by:
NASA Human Research Program (NNJ15ZSA001N)
Received: 24 November 2019
Accepted: 22 July 2020
First Online: 24 September 2020
: Drs. Flynn-Evans, Young, Marquez, and Mr. Hillenius and Gregory were employed by NASA during this study. Dr. Pecena, Ms. Vogelpohl, and Mr. End were employed by DLR during this study. Ms. Kirkley and Mr. Bathurst were employed by San José State University Research Foundation, which is a contractor for NASA. Dr. Flynn-Evans is co-owner and consultant for Baby Sleep Science.