PHOTOS: Britney's Boy Needs a Nap

There's something tired in Denmark... and his name is Jayden James Federline.

Britney Spears' 2-year-old son got a boost from his mom as they made their way back to the hotel following her Saturday night concert in Copenhagen, Denmark.

Earlier this week, Brit took Jayden and big brother Sean Preston to tour the Eiffel Tower in Paris.

8 PHOTOS OF BRIT AND JAYDEN IN THE GALLERY!