Live. Hunt (and sleep) remember that polar bears live where there may be "night" (no sun) for several months running!
Apart from naps, most polar bears sleep for seven to eight hours at a stretch, about like humans do. http://www.polarbearsinternational.org/bear-facts/sleepy-polar-bears/
Anecdotally I'd say no, but they are both diurnal and nocturnal
Sometimes they hunt at night, or in the daylight. They can be active at any time of day.
no yes mabey so
They can be active day or night.
night
Not over night.
polar bears are diurnal, because they sleep and rest at night and stay awake in the day to catch there prey or look after there cubs but they do rest at night just like our humans....,
Only a couple of hours.
polar bears are related to bears.
Polar bears do.
They reproduce.
POLAR BEARS Polar bears actually grow pretty fast.
Polar bears are bears
Polar bears are mammals.
humans are polar bears
With the exception of pregnant females, polar bears do not hibernate. Instead adult male polar bears and non-pregnant females remain active throughout the year. They nap during the day and sleep 7 to 8 hours a night.
A sleuth or a sloth of bears