Bruxism occasional tooth grinding. It has been shown that the majority (86%) of sleep bruxism episodes occur during periods of sleep arousal. One study reported that sleep arousals which were experimentally induced with sensory stimulation in sleeping bruxists triggered episodes of sleep bruxism. Sleep arousals are a sudden change in the depth of the sleep stage, and may also be accompanied by increased heart rate, respiratory changes and muscular activity, such as leg movements. Initial reports have suggested that episodes of sleep bruxism may be accompanied by gastroesophageal reflux, decreased esophageal pH (acidity), swallowing, and decreased salivary flow. Another report suggested
Shaking the Habitual the album "unnavigable and unknowable, almost impossible to write about and even harder to listen to." "The Guardian"s Alexis Petridis felt that ""Shaking the Habitual"s problem is that the Knife seem to have dismissed the idea of making your point concisely as merely another affectation of a decadent and corrupt society", describing the album as "alternately utterly gripping and unbearably boring; incredibly bold and strangely flaccid, viscerally thrilling and hopelessly over-thought." In March 2014, "Shaking the Habitual" won the Nordic Music Prize. Credits adapted from the liner notes of "Shaking the Habitual". Shaking the Habitual Shaking the Habitual is the