Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...
The Daily Galaxy on MSN
Scientists found that jellyfish sleep 8 hours a night and take naps too
Jellyfish sleep around eight hours a night, take short daytime naps, and compensate for lost rest,all without having a brain.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback