Relationship between isolated sleep paralysis and geomagnetic influences: a case study.
Perceptual and Motor Skills June 1, 1995 DOI: 10.2466/pms.1995.80.3c.1263 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Longitudinal study Case report Peer reviewed |
|---|---|
| Sample size | 1 |
| Population | A single subject who frequently experiences isolated sleep paralysis |
| Duration | 23.5 months |
| Key findings | Periods of relatively quiet geomagnetic activity were significantly associated with an increased incidence of isolated sleep paralysis episodes. |
Abstract
This preliminary report, of a longitudinal study, looks at the relationship between geomagnetic activity and the incidence of isolated sleep paralysis over a 23.5-mo. period. The author, who has frequently and for the last 24 years experienced isolated sleep paralysis was the subject. In addition, incidence of lucid dreaming, vivid dreams, and total dream frequency were looked at with respect to geomagnetic activity. The data were in the form of dream-recall frequency recorded in a diary. These frequency data were correlated with geomagnetic activity k-index values obtained from two observatories. A significant correlation was obtained between periods of local geomagnetic activity and the incidence of isolated sleep paralysis. Specifically, periods of relatively quiet geomagnetic activity were significantly associated with an increased incidence of episodes.