Sleep Is Compromised in −12° Head Down Tilt Position

This study was carried out in accordance with recommendations of the Declaration of Helsinki in its latest version, Datenschutzgesetz (Data Protective Act), Medizinproduktgesetz (MPG) (Medical Device Law), and Medizinprodukte – Betreiber Verordnung (MPBetrV). The protocol was approved by the ethics committee of the regional medical board (Ärztekammer Nordrhein). All subjects gave written informed consent in accordance with the Declaration of Helsinki. Author Contributions All authors contributed to the hypothesis development, study design, data acquisition, and manuscript finalization. Analysis of the IPCog study results were carried out by ALB, ZL, DG, BJ, JZ, and JR. PG and JR supervised the study. ALB wrote the first draft of the manuscript and designed the graphs. Funding This study was funded by the DLR – Institute of Aerospace Medicine Department: Space Physiology. Conflict of Interest Statement The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Acknowledgments This study was performed at the German Areospace Centre (DLR) in Cologne. We would like to thank the whole team of the Muscle and Bone Metabolism Department for helping to prepare and conduct the study. Finally, we are indebted to the study participants, as this research would not have been possible without their valuable contribution. Abbreviations HDT, Head dow...
Source: Frontiers in Physiology - Category: Physiology Source Type: research