<?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>0120-5552</journal-id>
<journal-title><![CDATA[Revista Salud Uninorte]]></journal-title>
<abbrev-journal-title><![CDATA[Salud, Barranquilla]]></abbrev-journal-title>
<issn>0120-5552</issn>
<publisher>
<publisher-name><![CDATA[Fundación Universidad del Norte, División de Ciencias de la]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-55522017000200075</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Insomnio, latencia al sueño y cantidad de sueño en estudiantes universitarios chilenos durante el periodo de clases y exámenes]]></article-title>
<article-title xml:lang="en"><![CDATA[Insomnia, sleep latency and quantity of sleep in chilean university students during a periods of classes and exam]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Durán Agüero]]></surname>
<given-names><![CDATA[Samuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosales Soto]]></surname>
<given-names><![CDATA[Giovanni]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moya Cantillana]]></surname>
<given-names><![CDATA[Cristóbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Milla]]></surname>
<given-names><![CDATA[Paula]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad San Sebastián Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad San Sebastián Facultad de Educación ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad San Sebastián Facultad de Educación ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad San Sebastián Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>2</numero>
<fpage>75</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-55522017000200075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-55522017000200075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-55522017000200075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar los factores asociados a la cantidad de horas de sueño, somnolencia diurna e insomnio antes y durante un periodo de clases y exámenes.  Material y métodos: Se evaluó a 384 alumnos de ambos sexos (74,1% mujeres), quienes reportaron su peso y estatura. A cada estudiante se le aplicó el Cuestionario de Insomnio y la Escala De Somnolencia de Epworth en el periodo de clases y periodo de exámenes.  Resultados: Al comparar la somnolencia diurna, insomnio, latencia al sueño y cantidad de horas de sueño entre periodo de clases y exámenes se observó un incremento en la latencia al sueño (p&lt;0,05) durante los exámenes. Al realizar la comparación según estado nutricional se observó, en el caso de las mujeres, que aquellas que presentan sobrepeso/obesidad tienen una menor cantidad de horas de sueño en ambos periodos (p&lt;0,05); en hombres, los que presentan sobrepeso/obesidad tienen una mayor somnolencia diurna en exámenes (p&lt;0,01). Al realizar la regresión logística tomando como variable dependiente somnolencia diurna, en mujeres se incrementa el riesgo de somnolencia diurna: OR=3,1 (IC95 % 1,1-8,8); en cambio, la ausencia de insomnio es un factor protector para somnolencia diurna: OR=0,06 (IC95 % 0,01-0,35).  Conclusión: En periodo de exámenes se incrementa significativamente la latencia al sueño, en especial en mujeres; en hombres se observa una disminución de las horas de sueño. Finalmente, las mujeres presentan un mayor riesgo de somnolencia diurna; en cambio, la ausencia de insomnio es un factor protector. Ni el estado nutricional ni el consumo de cafeína se asociaron con problemas de sueño.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the factors associated with sleep duration, daytime somnolence and insomnia before and after a period of classes and exams periods.  Material and methods: 384students (74.1% female) were evaluated, who reported their weight and height. The insomnia questionnaire and Epworth sleepiness scale were administered to each student during class period and exams period.  Results: When comparing daytime somnolence, insomnia, sleep latency and the amount of sleeping hours between classes and exam periods an increase in sleep latency (p &lt;0.05) was observed during exams. Fewer hours of sleep were observed in both periods (p &lt;0.05) in women with overweight / obesity. In men, those who are overweight / obese show a higher daytime somnolence during exam periods (p &lt;0.01). By performing the logistic regression analysis using daytime somnolence as a dependent variable, being a woman increases the risk of daytime somnolence (OR = 3.1, 95 % CI 1.1 to 8.8), whereas the absence of insomnia is a protective factor for daytime somnolence (OR = 0.06, 95 % CI 0.01 to 0.35).  Conclusion: Sleep latency is significantly increased during exam period, especially in women; in men a decrease is observed in sleep hours. Finally, women present high risk of diurnal somnolence, in difference the absence of insomnia is a protective factor, however the nutritional status and caffeine intake was not associated with sleeping problems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estado nutricional]]></kwd>
<kwd lng="es"><![CDATA[estudiantes]]></kwd>
<kwd lng="es"><![CDATA[insomnio]]></kwd>
<kwd lng="es"><![CDATA[sueño]]></kwd>
<kwd lng="es"><![CDATA[somnolencia diurna]]></kwd>
<kwd lng="es"><![CDATA[cafeína]]></kwd>
<kwd lng="en"><![CDATA[caffeine]]></kwd>
<kwd lng="en"><![CDATA[nutritional status]]></kwd>
<kwd lng="en"><![CDATA[students]]></kwd>
<kwd lng="en"><![CDATA[insomnia]]></kwd>
<kwd lng="en"><![CDATA[daytime somnolence]]></kwd>
</kwd-group>
</article-meta>
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