Sperm Whales blow bubbles to achieve restful, vertical sleep

Skip to content University of St Andrews Toggle search Hide search Submit University of St Andrews news Navigation News room Corporate Communications Photo gallery Facts and figures News archive Sperm Whales blow bubbles to achieve restful, vertical sleep Friday 24 July 2026 New research from the University of St Andrews and Université de Neuchâtel, has uncovered the mechanism which allows sperm whales to sleep in a unique vertical position, just under the ocean surface. Sperm whales are