A skull of a Neanderthal is seen in the foreground, the cast is partial, and missing bits of the skull are filled in. The skull is displayed in a museum, a person is seen in the background looking at the skulls.
The cast of a Neanderthal skull is displayed in the Chemnitz State Museum of Archaeology
  • Some morning people may carry body clock genes passed on by Neanderthals and Denisovans.
  • Our extinct cousins may have evolved to rise early to better face the cold European winter months.
  • The link is promising but requires further examination to be confirmed.

Early risers might have Neanderthal DNA to thank for their morning habits, an early study suggests.