Kregel sleeping in middeck sleep restraints wearing mask

STS070-334-031 (13-22 JULY 1995) --- Astronaut Kevin R. Kregel demonstrates the new shuttle sleep restraints on the space shuttle Discovery?s middeck. During an August 11, 1995, post flight presentation to fellow employees at the Johnson Space Center (JSC), the STS-70 pilot discussed features of the device and lauded its ability to add comfort for crew members.