We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

At one point or another, we’ve all experienced the unexpected, intense pain of a muscle cramp. Muscle cramps, also known as muscle spasms or charley horses, are the involuntary contraction of muscle ...

Sleep jerking, also known as hypnic jerks or sleep starts, is a common phenomenon that many individuals experience during the transitional phase between wakefulness and sleep. It is an involuntary ...