U try every thing you can to fall asleep and go to bed early and don't work night shifts.And if you can't you can pour from ice water to hot coffee on your head.
There are areas on Earth that can receive 24 hours of day and 24 hours of night - but not at the same time. North of 66 1/2 degrees latitude N. (the Arctic Circle) will receive 24 hours of sunlight...
Kangaroos are essentially nocturnal, so tend to sleep during the day and be active at night. However, it is not uncommon to see kangaroos active during the day, particularly in the early morning and...
Cows, like humans, are usually diurnal - awake during daylight and resting during night. However, cattle can be active at night, particularly during the heat of summer.