8 ms·
It’s not eliminated, it’s bicameral. Dolphins do sleep, they just do so one half of their brain at a time, which is... so cool.
by gotocake 8y ago
It’s not eliminated, it’s bicameral. Dolphins do sleep, they just do so one half of their brain at a time, which is... so cool.
- thaumasiotes 8y agoThis is only true if you redefine "sleep" in a certain technical way. This redefinition is supported by phenomena such as the dolphin closing one eye during that eye's half-sleep cycle, but it is not obviously appropriate in all contexts.