Simulated mission to Mars made astronauts sleepy, lethargic, and less motivated
Back in November 2011, a multinational crew of six ended their 17-month long simulation to Mars and back. Confined to a trailer for 520 days, the pretend-astronauts had every detail of their lifestyle tracked, including their sleep-wake cycles, physical movements, intellectual activities, and light exposure. Now, looking at the results, it appears that the simulated…