Questions tagged [sleep]

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Do ISS crew have the opportunity to take daily naps if they'd like to?

Could "days" on the space Station be made shorter to accomodate sleep patterns? raises an interesting point. I've often heard that for some astronauts they never really were able to sleep as ...
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Could "days" on the space Station be made shorter to accomodate sleep patterns?

I understand that astronauts on the Space Station only tend to get six hours of sleep per "night". That made me wonder, since the day is arbitrary in orbit, has anyone considered a day of 24*...
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Where will the fourth crew dragon astronaut sleep?

The ISS currently has a crew of 3, that was brought there on Expedition 63 by Soyuz MS-15. Crew dragon flights will bring 4 astronauts to the iss which means that the ISS will have a crew of 7 on ...
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What biomedical data indicated Apollo astronauts were sleeping?

What particular biomedical data did NASA use to determine if an Apollo astronaut was awake or asleep? From the APOLLO 11 MISSION COMMENTARY, page 72/1 "Our Flight Surgeon reported a short while ago ...
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Astronauts' sleeping heart rate on the ISS

On Earth during non-REM sleep a person's heart rate goes down. Does the same thing happen on the ISS, or does the non-REM sleeping heart rate remain close to the heart rate of the astronaut while ...
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Who was the first human to sleep - perchance to dream - on the Moon?

Incidentally I don't mean "on the lunar surface, asleep laying on the surface of the moon" :) So (A) who (if anyone) was the first human to actually be asleep (that is to say, presumably inside the ...
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What is the procedure for scheduling on the ISS if an astronaut oversleeps?

From the accepted answer to this question there have been times when astronauts have overslept. The morning started disastrously. I slept through two alarms, one set for 0600 and another a half-...
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Do astronauts on the ISS have to consciously keep their arms down?

After seeing many images of astronauts on the ISS sleeping, with their arms floating, and Chris Hadfield describing arms floating up and head titling forward How Do You Sleep In Space? | Video I ...
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What are the benefits of cryosleep?

NASA is working on a so-called 'Cryosleep Chamber', but why do they need it so badly? There must be a lot of benefits attached to this technology..
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43 votes
10 answers
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Why isn't a centrifuge used for astronauts on the space station?

One thing I've always wondered is why don't astronauts sleep in a kind of rotating bed that spins creating force? This would allow them to sleep and would be able to simulate earths gravity. Why don't ...
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Where do the crew sleep on the ISS? Where are the sleeping quarters?

The ISS currently handles a crew of 6 launched by two Soyuz vehicles. With the advent of Commercial Crew bring 4 a mission, the hope is to run a crew of 7. Where in the ISS do the crew sleep? The ...
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How do astronauts and cosmonauts sleep on a Soyuz?

Recently I learned that the Soyuz crew ship can take up to three days to reach ISS. I know that most of the time the travel takes only about 6 hours, but still: In case something happens, you have to ...
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7 votes
2 answers
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How do astronauts sleep in zero G?

Perhaps this is a strange question but I've always wondered how astronauts, particularly those aboard the ISS, sleep in zero G. Do they just hang out in "space" or do they have beds they strap ...
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Do you need a mattress on the Moon?

In the 1985 work 'The Cat Who Walks Through Walls' by Robert Heinlein, Richard Ames makes the following internal observation; The character is in an underground abode. The accommodations are in a side ...
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11 votes
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Do Astronauts snore when sleeping in Zero G?

I was reading about this new space meal contest it talks about many of the issues creating appetizing meals for Astronauts. It mentions the loss of taste... Astronauts often lose their sense of ...
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