The Gentse Feesten is a music and theatre festival in the city of Ghent, Belgium. The first Gentse Feesten was held in 1843. The festival starts on the Saturday before July 21 (Belgium's national holiday) and lasts ten days. About 2 million visitors attend the festival every year, making it one of the biggest cultural and popular festivals in Europe.
involuntary contractions of muscles, mainly of the skin, in response to the chilling effect of low temperatures. Shivering may also occur at the onset of a fever when the body's heat balance is disturbed.
View full size image. A hypnagogic jerk is an involuntary muscle spasm that occurs as a person is drifting off to sleep. The phenomenon is so named in reference to the hypnogogic state â the transitional period between wakefulness and sleep. Hypnagogic jerks are also commonly known as hypnic jerks or sleep starts. The muscle spasms may occur spontaneously or may be induced by sound, light or other external stimuli.