Definition. Night leg cramps, also called nocturnal leg cramps, are painful, involuntary spasms, aching or contractions of muscles in your legs. In most cases, night leg cramps involve your calf muscles, but muscles in your feet or thighs may cramp as well.1  Causes.ight leg cramps, also called nocturnal leg cramps, are painful, involuntary spasms, aching or contractions of muscles in your legs.
Tlingit and neighboring peoples. The greatest territory historically occupied by the Tlingit extended from the Portland Canal along the present border between Alaska and British Columbia, north to the coast just southeast of the Copper River delta in Alaska.
The state's most populous city is Anchorage, home to 278,700 people in 2006, 225,744 of whom live in the urbanized area. The richest location in Alaska by per capita income is Halibut Cove ($89,895). Yakutat City, Sitka, Juneau, and Anchorage are the four largest cities in the U.S. by area.