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5 results

Characteristics of Sleep Patterns in Korean Women Golfers

Park SY, Shin WC

  • Sleep Med Psychophysiol.
  • 2014 Dec;21(2):80-84.
  • doi: 10.14401/KASMED.2014.21.2.80
INTRODUCTION: Sleep has numerous important physiological and cognitive functions that may be particularly important to elite athletes. Sleep deprivation can have significant effects on athletic performance. However, there are few...
Resilience and Characteristics of Sleep and Defense among Shift Work Nurses

Lee SJ, Park CS, Kim BJ, Lee CS, Cha B, Lee D, Seo JY

  • Sleep Med Psychophysiol.
  • 2014 Dec;21(2):74-79.
  • doi: 10.14401/KASMED.2014.21.2.74
OBJECTIVES: Shift work is a stressful situation. It is important to know the factors associated with the ability to adapt to a shift work schedule. The aim of the present...
The Change of Heart Rate Variability in Anxiety Disorder after Given Physical or Psychological Stress

Cho MK, Park DH, Yu J, Ryu SH, Ha JH

  • Sleep Med Psychophysiol.
  • 2014 Dec;21(2):69-73.
  • doi: 10.14401/KASMED.2014.21.2.69
OBJECTIVES: This study was designed to assess the change of heart rate variability (HRV) at resting, upright, and psychological stress in anxiety disorder patients. METHODS: HRV was measured at resting, upright,...
Prevalence and Related Risk Factors of Suicidal Ideation in Urban Adolescents

Lee TH, Lee YJ

  • Sleep Med Psychophysiol.
  • 2014 Dec;21(2):61-68.
  • doi: 10.14401/KASMED.2014.21.2.61
OBJECTIVE: The aim of the present study is to assess the prevalence and related risk factors of suicide ideation among middle and high school students in an urban area. METHODS: We...
Human Circadian Rhythms

Lee H, Cho CH, Kim L

  • Sleep Med Psychophysiol.
  • 2014 Dec;21(2):51-60.
  • doi: 10.14401/KASMED.2014.21.2.51
A 'circadian rhythm' is a self-sustained biological rhythm (cycle) that repeats itself approximately every 24 hours. Circadian rhythms are generated by an internal clock, or pacemaker, and persist even in...

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