Funding for this research was provided by:
NSF | NSF Office of the Director | Office of International Science and Engineering (IOS -1353713)
United States Department of Defense | Small Business Innovation Research (R43NS83218)
Received: 5 October 2018
Accepted: 15 June 2020
First Online: 2 July 2020
: Author B.F. O'Hara is a co-founder and owner of Signal Solutions LLC, which manufactures and sells the PiezoSleep system used in portions of this study. All work presented was done at the University of Kentucky (where the technology was originally developed), and Signal Solutions was not involved in any other way. All other authors report no competing interests of any kind.