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 Knife have "never sounded more in tune with the materiality of sound or the sonorousness of the physical world." AllMusic's Heather Phares opined that ""Shaking the Habitual" isn't as cohesive or accessible as "Silent Shout", and after experiencing the whole thing, fans may not return to it often, but it's hard to deny that it's an often stunning work of art", dubbing the album "a testament to the Knife's skill that they make such formidable sounds so compelling for so long". "Fact" noted that "[f]ans of "Silent Shout" and "Deep Cuts" [...] will find "Shaking the Habitual"s hybrid of