Brain waves common during sleep also show up in awake sheep
If humans have similar ‘wake’ spindles, they may play a daytime role in holding onto memories
![sheep](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/03/022820_ls_sheep_feat.jpg?fit=1028%2C579&ssl=1)
Sleeping sheep have brain bursts called spindles that, in people, are thought to help solidify memories. Spindles also flicker in the brains of awake sheep, a new study finds.
Jacobo Hernández/agefotostock/Alamy Stock Photo