Bruxism bruxism), but also possibly grinding, and is often associated with other semivoluntary oral habits such as cheek biting, nail biting, chewing on a pen or pencil absent mindedly, or tongue thrusting (where the tongue is pushed against the front teeth forcefully). There is evidence that sleep bruxism is caused by mechanisms related to the central nervous system, involving sleep arousal and neurotransmitter abnormalities. Underlying these factors may be psychosocial factors including daytime stress which is disrupting peaceful sleep. Sleep bruxism is mainly characterized by "rhythmic masticatory muscle activity" (RMMA) at a frequency of about once per second, and also with
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