<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1727-897X</journal-id>
<journal-title><![CDATA[MediSur]]></journal-title>
<abbrev-journal-title><![CDATA[Medisur]]></abbrev-journal-title>
<issn>1727-897X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Cienfuegos, Centro Provincial de Ciencias Médicas, Provincia de Cienfuegos.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1727-897X2020000200211</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad del sueño según progresión académica en estudiantes chilenos de Obstetricia]]></article-title>
<article-title xml:lang="en"><![CDATA[Sleep quality according to academic progression in Chilean Obstetrics students]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Alegría]]></surname>
<given-names><![CDATA[Fanny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oyanedel Sepúlveda]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera-López]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Andrés Bello  ]]></institution>
<addr-line><![CDATA[Santiago de Chile ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso  ]]></institution>
<addr-line><![CDATA[Valparaíso ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<volume>18</volume>
<numero>2</numero>
<fpage>211</fpage>
<lpage>222</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1727-897X2020000200211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1727-897X2020000200211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1727-897X2020000200211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamento:  el sueño es reconocido como un indicador de calidad de vida y, en la vida cotidiana de un estudiante, adquiere gran relevancia por su relación con el funcionamiento cognitivo y las actividades académicas.  Objetivo:  identificar y evaluar los factores asociados a la calidad de sueño que presentan estudiantes chilenos de la carrera de Obstetricia, según años cursados.  Métodos:  estudio transversal y analítico realizado en el año lectivo 2018 en una universidad chilena, que incluyó la totalidad de estudiantes de la carrera de Obstetricia, quienes respondieron un cuestionario que evaluó los antecedentes sociodemográficos, el perfil académico, los hábitos previos al dormir y la calidad de sueño, evaluada mediante la encuesta de Pittsburg de calidad de sueño (Pittsburgh Sleep Quality Index, PSQI).  Resultados:  el comportamiento en torno a los hábitos del sueño difiere significativamente entre los cursos, en el 1° y el 4° año se encuentran quienes duermen menos y los estudiantes de este último curso son clasificados como los peores dormidores. El promedio de los componentes del PSQI varía entre 6, 6 (5° año) y 9,2 (4° año); el componente disfunción diurna mostró los valores más extremos.  Conclusiones:  existe una débil asociación entre la calidad de sueño y las variables sociodemográficas, perfil académico y hábitos previos al dormir. Solo se asocia fuertemente con algunos componentes de la encuesta de calidad de sueño, como la hora de acostarse y las horas de sueño del estudiante. La progresión de la carrera no supone un alza o disminución de los malos o buenos dormidores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Foundation:  sleep is recognized as an indicator of quality of life and, in a student´s daily life, it acquires great importance for its relationship with cognitive functioning and academic activities.  Objective:  to identify and evaluate factors associated with quality of sleep presented by the Chilean students of the Obstetric training program, according to years studied.  Methods:  cross-sectional and analytical study conducted in the 2018 school year in a Chilean university, which included all the students of Obstetrics, who answered a questionnaire that evaluated sociodemographic background, academic profile, previous sleep habits and sleep quality, assessed by the Pittsburgh Sleep Quality Index (PSQI) survey.  Results:  the behavior around the sleep habits differs significantly among courses, in the 1st and 4th year there are those who sleep less and the students of this last course are classified as the worst sleepers. The average of the PSQI components varies between 6, 6 (5th year) and 9.2 (4th year); daytime dysfunction component showed the most extreme values.  Conclusions:  there is a weak association between sleeping quality and sociodemographic variables, academic profile and previous sleep habits. It is only strongly associated with some components of the sleep quality survey, such as bedtime and student sleeping hours. The training program progression does not mean an increase or decrease in bad or good sleepers.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[sueño]]></kwd>
<kwd lng="es"><![CDATA[higiene del sueño]]></kwd>
<kwd lng="es"><![CDATA[rendimiento académico]]></kwd>
<kwd lng="es"><![CDATA[calidad de vida]]></kwd>
<kwd lng="en"><![CDATA[sleep]]></kwd>
<kwd lng="en"><![CDATA[sleep higiene]]></kwd>
<kwd lng="en"><![CDATA[academic performance]]></kwd>
<kwd lng="en"><![CDATA[quality management]]></kwd>
</kwd-group>
</article-meta>
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