: For nearly 60 hours (about three days), Harrison survived in complete darkness, wearing only his boxers and a singlet.
If you'd like, I can find more from the divers who found him or details on the physics of the air pocket that kept him alive. Harrison - Underwater
The story of Harrison Okene is a harrowing true account of survival against impossible odds. In May 2013, the tugboat capsized off the coast of Nigeria during rough seas, sinking to the ocean floor nearly 100 feet (30 meters) below the surface. The Descent and Survival : For nearly 60 hours (about three days),