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Skylab
Public domain

Skylab

NASA / MSFC · 1970-01-01 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

This 1970 photograph shows equipment for the Skylab's Sleep Monitoring Experiment (M133), a medical evaluation designed to objectively determine the amount and quality of crewmembers' inflight sleep. The experiment monitored and recorded electroencephalographic (EEG) and electrooculographic (EOG) activity during astronauts' sleep periods. One of the astronauts was selected for this experiment and wore a fitted cap during his sleep periods.

NASA Image and Video Library’s own description
Subjects
SkylabSleep Monitoring ExperimentM133
Credit lineSkylab. NASA/MSFC, 1970-01-01. Public domain. ID: 7026014.
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