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Related Concept Videos

Insomnia01:27

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Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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Association between grit and insomnia: A population-based study.

Jae Rim Kim1, Jung-A Park2, Hong-Jik Kim1

  • 1Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.

Sleep Medicine
|October 9, 2024
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Summary
This summary is machine-generated.

Higher grit, a personality trait of perseverance and passion, is associated with a lower likelihood of experiencing insomnia. This suggests that grit may be a protective factor against insomnia in adults.

Keywords:
Cognitive behavioral therapy for insomniaCross-sectional studyGritInsomniaPersonality traits

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Area of Science:

  • Psychology
  • Sleep Medicine
  • Public Health

Background:

  • Insomnia is a prevalent sleep disorder affecting a significant portion of the adult population.
  • Personality traits, such as grit, may play a role in the development and maintenance of insomnia.
  • Understanding these associations can inform targeted interventions.

Purpose of the Study:

  • To investigate the association between grit (perseverance and passion) and the presence and severity of insomnia.
  • To examine this relationship in the Korean adult population.

Main Methods:

  • A nationwide population-based cross-sectional survey was conducted in Korea.
  • Grit was measured using the 8-item Short Grit Scale.
  • Insomnia presence and severity were assessed using the Insomnia Severity Index (ISI), with a threshold of 10 defining insomnia.
  • Multivariable regression analyses controlled for sociodemographic factors, lifestyles, and comorbidities.

Main Results:

  • A total of 2453 adults participated in the study.
  • The insomnia group (16.5% of participants) had significantly lower grit scores compared to the non-insomnia group (mean difference 0.19, p < 0.001).
  • Higher grit was negatively associated with insomnia severity (ISI scores) and the likelihood of having insomnia (OR 0.40, p < 0.001).

Conclusions:

  • Individuals with higher levels of grit are less likely to experience insomnia.
  • Grit may be a protective factor against insomnia.
  • Clinicians should consider assessing personality traits like grit in the evaluation and management of insomnia.