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Results tagged with sleep
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user 195
6
votes
Why isn't a centrifuge used for astronauts on the space station?
A rotating structure big enough to accomplish that would be bulky, heavy, and very power-hungry to operate.
Space, mass, and power are all at a sharp premium on spacecraft and space stations such as …
- 172k
6
votes
Accepted
What biomedical data indicated Apollo astronauts were sleeping?
Here’s a detailed description of the biomedical instrumentation system:
https://history.nasa.gov/SP-368/s6ch3.htm
This included heart and respiration monitors. Presumably, sleeping was inferred from …
- 172k
178
votes
Accepted
Who was the first human to sleep - perchance to dream - on the Moon?
That mission provided hammocks for the LM crew, and they reported getting about 3 hours of sleep. … From Apollo 15 on, the astronauts de-suited for LM sleep periods, and stayed for multiple days, so slept quite a bit better. …
- 172k