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deep sleep therapy
Deep sleep therapy (DST), also called prolonged sleep treatment or continuous narcosis, is a psychiatric treatment in which drugs are used to keep patients unconscious for a period of days or weeks.
==History==
Induction of sleep for psychiatric purposes was first tried by Scottish psychiatrist Neil Macleod at the turn of the 20th century. He used bromide sleep in a few psychiatric patients, one of whom died. His method was adopted by some other physicians but soon abandoned, perhaps because it was considered too toxic or reckless. In 1915, Giuseppe Epifanio tried barbiturate-induced sleep therapy in a psychiatric clinic in Italy, but his reports made little impact.〔Shorter Edward (1996) "The beginning of psychopharmacology: deep sleep therapies". ''European Psychiatry'' 11: 236s〕 'Electronarcosis' was also developed and used for various psychiatric disorders, involving current passed through the brain to induce deep sleep.
Deep sleep therapy was popularised in the 1920s by Swiss psychiatrist Jakob Klaesi, using a combination of two barbiturates marketed as Somnifen by the pharmaceutical company Roche.〔Windholz G. ("Sleep as a cure for schizophrenia: a historical episode" ), ''History of Psychiatry'' 4.13, March 1993, pp. 83–93, doi 10.1177/0957154X9300401304.〕〔Shorter, Edward. ''A History of Psychiatry: From the Era of the Asylum to the Age of Prozac'', New York: Wiley, 1997, ISBN 978-0-471-15749-6 〕 Klaesi's method became widely known and was used in some mental hospitals in the 1930s and 1940s.〔Sargant, William; Slater, Eliot; assisted by Kelly, Desmond. ''An introduction to physical methods of treatment in psychiatry'' (Edinburgh: Churchill Livingstone, 1972)〕 It was adopted and promoted by some leading psychiatrists in the 1950s and 1960s, such as William Sargant in the UK and by Dr. Donald Ewen Cameron, a North American psychiatrist of Scottish origin practising in Canada, some of whose research was funded by the CIA as part of their Project MKULTRA.〔
Sargant wrote in his standard textbook ''An introduction to physical methods of treatment in psychiatry'':
"Many patients unable to tolerate a long course of ECT, can do so when anxiety is relieved by narcosis ... What is so valuable is that they generally have no memory about the actual length of the treatment or the numbers of ECT used ... After 3 or 4 treatments they may ask for ECT to be discontinued because of an increasing dread of further treatments. Combining sleep with ECT avoids this ... All sorts of treatment can be given while the patient is kept sleeping, including a variety of drugs and ECT () together generally induce considerable memory loss for the period under narcosis. As a rule the patient does not know how long he has been asleep, or what treatment, even including ECT, he has been given. Under sleep ... one can now give many kinds of physical treatment, necessary, but often not easily tolerated. We may be seeing here a new exciting beginning in psychiatry and the possibility of a treatment era such as followed the introduction of anaesthesia in surgery".〔
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