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

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

Here’s something neat about sleeping sheep: Their brains have fast zags of neural activity, similar to those found in sleeping people.