What can we learn about sleep from the land of the polar night
The 24-hour darkness during the winter near the Poles can disrupt sleep – this is how the people who live there cope.
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
The Washington Post20d
The polar vortex will soon hit the U.S. See how cold it’ll get where you live
Temperatures on Sunday night will be in the teens across ... into the Plains and Midwest this weekend as the polar vortex lobe zaps the country like a jellyfish tentacle. Temperatures may be ...
BBC1mon
What can we learn about sleep from the land of the polar night
He confirmed that most of the users were in the Nordic countries, Canada and the US, but was unable to say how many lived in places that experienced the polar night. Koskimäki says users who ...