Prolonged physical inactivity can worsen the symptoms of POTS. Periods of extension alternated with times of relative inactivity. Preventive measures include altering risk factors such as obesity, inactivity, and smoking. Hibernation is a state of inactivity and metabolic depression in endotherms. The forwarding rule is disabled after a period of inactivity. It was founded in 1921 and has had several periods of inactivity and subsequent revival. During the late 1940s, however, he suffered a period of relative inactivity. After the loss, Barrera took a period of inactivity. After an unknown period of inactivity they reemerged in 2004. It is not fatal, but can cause months of inactivity. During the period of inactivity, they roost in trees or caves. It was presumed that the remake was scrapped due to years of inactivity. Lastly, it re-enters inactivity during its transitional tritonymph phase before growing to adulthood. This period of 123 years of inactivity ended in early 1980. Sanders quit due to the inactivity of the party between elections.