When the day’s work is complete, it’s time for the crewmembers to get some shuteye. there are two special sleep chambers onboard the station, but astronauts usually just attach sleeping bags to parts of the station when it’s time to turn in. because the sun rises every ninety minutes during a mission, the crew covers the windows to reproduce the darkness of night so they can get some well-deserved rest. in exactly eight hours, mission control will wake them up to start the process all over again! what is most likely the reason that astronauts attach their sleeping bags to parts of the station? a) to give their coworkers their own space b) to prevent them from floating in their sleep eliminate c) to reduce the risk of being disturbed by sunlight d) to make the cockpit a more comfortable environment