Brain Basics: Understanding Sleep(PDF). National Institute of Neurological Disorders and Stroke. National Institutes of Health. 2006. стр. 2. Архивирано из оригинала(PDF) 31. 3. 2022. г. Приступљено 1. 7. 2023. „Many also experience sudden muscle contractions called hypnic myoclonia, often preceded by a sensation of starting to fall. These sudden movements are similar to the "jump" we make when startled.”
„Basics of Sleep Behavior: NREM and REM Sleep”. sleephomepages.org (на језику: енглески). Sleep Syllabus. Архивирано из оригинала 28. 7. 2011. г. Приступљено 1. 7. 2023. „These muscular contractions, called sleep related myoclonias are not pathological events, although they tend to occur more frequently with stress or unusual or irregular sleep schedules.”
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Brain Basics: Understanding Sleep(PDF). National Institute of Neurological Disorders and Stroke. National Institutes of Health. 2006. стр. 2. Архивирано из оригинала(PDF) 31. 3. 2022. г. Приступљено 1. 7. 2023. „Many also experience sudden muscle contractions called hypnic myoclonia, often preceded by a sensation of starting to fall. These sudden movements are similar to the "jump" we make when startled.”
„Basics of Sleep Behavior: NREM and REM Sleep”. sleephomepages.org (на језику: енглески). Sleep Syllabus. Архивирано из оригинала 28. 7. 2011. г. Приступљено 1. 7. 2023. „These muscular contractions, called sleep related myoclonias are not pathological events, although they tend to occur more frequently with stress or unusual or irregular sleep schedules.”