Avantechs supports Sleepman with a body of evidence on the benefits of sleep and averse effects induced by the lack of thereof. The official website describes these discusses these effects and describes how the device may help. The different phases of sleep are especially discussed.
Second part of the article about science behind Sleepman discusses the viability of electrodermal activity measurement for measuring quality of sleep and why the company decided to use it over electroencephalography. Sleepman uses electrodermal activity sensors because Avantechs deemed electroencephalography to be too unwieldy and uncomfortable for nightly and daily use.
Substantial scientific backing https://sleepman.com/sciencedevelopment/#science