
This photograph is of Astronaut Kerwin wearing the Sleep Monitoring cap (Experiment M133) taken during the 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 selected for this experiment and wore a fitted cap during his sleep periods.
Most NASA images are in the public domain and free to use. Credit NASA as the source. Check NASA's media usage guidelines for details. Images featuring identifiable individuals may require additional permissions.
NASA ID
9402861
Date Created
January 1, 1973
Center
MSFC
Media Type
image
Download this image in multiple resolutions. All NASA media are free for public use.
1920px