Sleeping under the Ocean: Despite Total Isolation, Nuclear Submariners Maintain Their Sleep and Wake Patterns throughout Their Under Sea Mission. - Trousselard, Marion; Leger, Damien; van Beers, Pascal; Coste, Olivier; Vicard, Arnaud; Pontis, Julien; Crosnier, Sylvain-Nicolas; Chennaoui, Mounir (PLoS ONE, 2015)