It sounds easy, but would likely be a torturous experience for the volunteers.
They will have to wash, eat, defecate and entertain themselves all while lying down for nearly two months straight.
Researchers will choose 24 candidates who do not smoke, have a body mass index between 22 and 27 and are willing to undergo rigorous training prior to starting the extreme experiment.
As humanity lurches towards the ambitious goal of spending more time in space, and eventually colonising another planet, many space agencies have increased their research on the physical and psychological impact such an eventuality would have on us.
NASA environmentalist Carmel Johnston recently finished a year residing inside a cramped dome with five other scientists in a year-long mission to mimic the conditions of living on Mars.
"As every family knows you don't always get along all the time. We had plenty of arguments during the year," she told news.com.au in February. "Working though that just to figure out how to get along just to get to the next stage was really important."
Fellow NASA scientist Scott Kelly recently returned from a record-breaking year-long stint in space, where he had to exercise more than 700 hours and drink 730 litres of recycled sweat and urine to keep his bones, muscles and heart from deteriorating.
Since his return, scientists have been conducting experiments comparing his DNA and certain health markers to that of his identical twin brother, who stayed on Earth.
So far, the results have highlighted the serious stress of a long-term life at zero-gravity.