What is the ‘simplest’ animal that sleeps? When did sleep first evolve? Do all animals sleep? Tantalizing hints to answers come from new research showing that jellyfish, one of the earliest evolving groups of animals, have a sleep-like restful state. What is the ‘simplest’ animal that sleeps? When did sleep first evolve? Do all animals sleep? Tantalizing hints to answers come from new research showing that jellyfish, one of the earliest evolving groups of animals, have a sleep-like restful state.
CITATION STYLE
Lesku, J. A., & Ly, L. M. T. (2017, October 9). Sleep Origins: Restful Jellyfish Are Sleeping Jellyfish. Current Biology. Cell Press. https://doi.org/10.1016/j.cub.2017.08.024
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