As the winter solstice approaches, North America is closing in on the shortest day of the year -- and in many places, the amount of daylight lost since summer adds up to hours. When is the ...
The allure of a warm bed on a dark, chilly night is hard to resist, and it turns out our bodies agree: Both scientific research and Oura member data confirm this seasonal shift in rest. Read on to ...
The winter solstice, Dec. 21, 2025, marks the shortest day of the year with Michigan cities gettingt about 9 hours of sunlight. What to know.