Reindeer can sleep while they chew

Time spent chewing cud eases the reindeer’s need for sleep, a new study finds

Two reindeer forage for food on the snowy ground.

Arctic reindeer make time for digesting by doing it in their sleep, a new study suggests.

Frank Meissner 

In this busy holiday season, many of us multitask. Arctic reindeer are no exception. 

Reindeer can eat and sleep at the same time, a new study suggests. This timesaving strategy, described December 22 in Current Biology, adds to the number of ingenious ways animals can catch some z’s under tough conditions (SN: 11/30/23).