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.
1 Worsening of symptoms in the evening. 2  Symptoms occur mainly at night. 3  Nighttime leg twitching. 4  RLS/WED may be associated with another, more common condition called periodic limb movement of sleep, which causes your legs to twitch and kick, possibly throughout the night, while you sleep. Relief by movement. 2  The sensation of RLS/WED lessens with movement, such as stretching, jiggling your legs, pacing or walking. 3  Worsening of symptoms in the evening. 4  Symptoms occur mainly at night. 5  Nighttime leg twitching.