Skylab 2 Astronaut Kerwin wearing the Sleep Monitoring cap.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:02, 9 March 2021 | 3,000 × 2,117 (4.08 MB) | wikimediacommons>Gildir | {{Information |Description=This photograph is of Astronaut {{w|Joseph P. Kerwin|Kerwin}} wearing the Sleep Monitoring cap (Experiment M133) taken during the {{w|Skylab-2}} mission. The Sleep Monitoring Experiment was a medical evaluation designed to objectively determine the amount and quality of crew members' inflight sleep. The experiment monitored and recorded electroencephalographic (EEG) and electrooculographic (EOG) activity during astronauts' sleep periods. One of the astronauts was se... |
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