Not sleeping, but conducting vestibular tests on tilt tables as part of their prelaunch training: astronauts Thomas Pesquet and Oleg Novitsky at their crew quarters in Baikonur, Kazakhstan.They launch with NASA Astronaut Peggy Whitson on Soyuz MS-03 on 17 November. See http://www.esa.int/spaceinimages/Images/2016/11/Preparing_for_space
