Naturalist definition, a person who studies or is an expert in natural history, especially a zoologist or botanist. See more.
Nighttime leg cramps are a sudden intense pain in the thigh or calf. A cramp is a tight muscle that won't relax. They can be caused by mineral deficiency.
Also known as âcharley horses,â leg cramps often come on suddenly during the night and cause intense pain in the thighs, calves, feet or toes. ... Causes of nocturnal leg cramps include: Sitting for long periods during the day; Muscle strain or overexertion; Working or ...