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
Habitual offender enacted in its place. According to the Habitual Offenders Act, a habitual offender is one who has been a victim of subjective and objective influences and has manifested a set practice in crime, and also presents a danger to the society in which they lives. The Habitual Offenders are usually hardened criminals whose major part of life has been spent in jails. It is because they commit offences at frequent intervals and are sent back to jail. Section 75 of the Pakistan Penal Code deals with Habitual Offenders. The provisions are activated upon a second conviction for a crime with