Rates and Characteristics of Sleep Paralysis in the General Population of Denmark and Egypt

@article{Jalal2013RatesAC,
  title={Rates and Characteristics of Sleep Paralysis in the General Population of Denmark and Egypt},
  author={Baland Jalal and Devon E. Hinton},
  journal={Culture, Medicine, and Psychiatry},
  year={2013},
  volume={37},
  pages={534-548}
}
In the current research we report data from two studies that examined rates and characteristics of sleep paralysis (SP) in the general population of Denmark and Egypt. In Study I, individuals from Denmark and Egypt did not differ in age whereas there were more males in the Egyptian sample (47 vs. 64 %); in Study II, individuals from Denmark and Egypt were comparable in terms of age and gender distribution. In Study I we found that significantly fewer individuals had experienced SP in Denmark… 

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References

SHOWING 1-10 OF 44 REFERENCES

Explanations of sleep paralysis among Egyptian college students and the general population in Egypt and Denmark

It was found that nearly half of the participants from the general Egyptian population believed their SP to be caused by the Jinn, a spirit-like creature with roots in Islamic tradition, which constitutes a culturally bound interpretation of the phenomenology of SP in this region of the world.

Features of isolated sleep paralysis among Nigerians.

The primary determinant of IHB was being afraid of ISP, and this findings have public mental health education, treatment and research implications.

The Frequency and Correlates of Sleep Paralysis in a University Sample

A salience hypothesis of sleep paralysis occurrence was developed to account for these findings and a composite index of imaginativeness predicted both the occurrence and frequency ofsleep paralysis and also the intensity ofSleep paralysis symptomatology.

Lifetime prevalence rates of sleep paralysis: a systematic review.

Further studies on the prevalence of isolated sleep paralysis in black subjects.

The genetic transmission of sleep paralysis was studied in a large black family, and in addition to stressful environmental factors being associated with the condition, there appears to be a dominant genetic factor associatedwith the predisposition for developing sleep paralysis.

Recognition of sleep paralysis among normal adults in Canada and in Japan

It was found that many Japanese who regarded it as a dream did not report the symptom of ‘unable to move’, while in Canada, self‐evaluation of spirituality was different between the two groups.

Prevalence of narcolepsy symptomatology and diagnosis in the European general population

This is the first epidemiologic study that estimates the prevalence of narcolepsy in the general population of these five European countries, where the disorder affects 47 individuals/100,000 inhabitants.

Comparative Prevalence of Isolated Sleep Paralysis in Kuwaiti, Sudanese, and American College Students

The Kuwaiti and Sudanese students did not differ significantly from each other in the percentage who reported the symptoms but had a significantly greater prevalence than did the American students.

Sleep disturbances and psychiatric disorders associated with posttraumatic stress disorder in the general population.

Considering the relatively high prevalence of PTSD and its important comorbidity with other sleep and psychiatric disorders, an assessment of the history of traumatic events should be part of a clinician's routine inquiry in order to limit chronicity and maladjustment following a traumatic exposure.

Prevalence and Illness Beliefs of Sleep Paralysis among Chinese Psychiatric Patients in China and the United States

The prevalence of sleep paralysis among Chinese patients in a psychiatric out-patient clinic in Boston and Shanghai was found to be 26.2% and 23.3%, respectively, and the endorsement of supernatural explanations for SP is rare among contemporary Chinese patients.