Perhaps Santa Had to Shout to His Eight Reindeer Because They Fell Asleep

A small study suggests the body clocks of the reindeer said to pull Mr. Claus’s sleigh swing wildly through the seasons, bringing near-hibernation in winter.
The New York Times
By VERONIQUE GREENWOOD from NYT Science https://nyti.ms/2AcUBPa
December 23, 2018 at 02:00PM