Every Night, Millions Rise From the Deep Ocean | Deep Sea Documentary for Sleep

Every night, billions of animals rise through black water toward the surface... then vanish again before sunrise. This is the largest migration on Earth, and it happens in total darkness. Abyss Sleep explores the strange hidden worlds of the deep ocean through calm, immersive documentaries for sleep. These videos reveal the weird biology, darkness, pressure, and living light beneath the ocean... slowly, clearly, and without fear. In this episode, we follow the ocean’s hidden vertical migration through the twilight zone... from zooplankton and lanternfish to predators, sonar mysteries, bioluminescence, and the hidden carbon pump beneath the planet. #DeepSea #OceanSleep #SleepDocumentary #VerticalMigration #MarineBiology