if people can’t go 3 days without sleep, how can Navy SEAL trainees do an entire Hell Week of strenuous physical activity with only 4 hours of sleep?

Question

if people can’t go 3 days without sleep, how can Navy SEAL trainees do an entire Hell Week of strenuous physical activity with only 4 hours of sleep?

In: Biology

Answer 1

Most people are hallucinating by the third night and the body also forces you to “microsleep” – pass out standing for a few seconds etc. Also seizures leading to a medical drop are common.