<Table> <Tr> <Td> </Td> <Td> The examples and perspective in this article deal primarily with the English - speaking world and do not represent a worldwide view of the subject . You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> The examples and perspective in this article deal primarily with the English - speaking world and do not represent a worldwide view of the subject . You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> <P> Solitary confinement is a form of imprisonment in which an inmate is isolated from any human contact, often with the exception of members of prison staff, for 22--24 hours a day, with a sentence ranging from days to decades . It is mostly employed as a form of punishment beyond incarceration for a prisoner, usually for violations of prison regulations . However, it is also used as an additional measure of protection for vulnerable inmates . In the case of prisoners at high risk of suicide, it can be used to prevent access to items that could allow the prisoner to self - harm . </P> <P> Solitary confinement is colloquially referred to in American English as "the hotbox", "the hole", "AdSeg" (administrative segregation), the "SHU" (pronounced "shoe"), an acronym for "Special Housing Unit" or "Security Housing Unit", or "the pound"; in British English as "the block", "The Segregation Unit", or "the cooler". It has also been called prison "' segregation' and' restrictive housing ."' </P>

How long do you stay in the hole in prison
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