Disturbed sleep in individuals with idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) : Melatonin assessment as a biological marker

Abstract : Individuals who suffer from idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) complain of a variety of adverse health effects. Troubled sleep remains a recurrent and common symptom in IEI-EMF individuals. Melatonin, a circadian hormone, plays a major role in the sleep process. In this study, we compared levels of melatonin between a sensitive group (IEI-EMF, n=30) and a non-sensitive control group (non IEI-EMF, n=25) without exposure to electromagnetic sources. Three questionnaires were used to evaluate the subjective quality and sleep quantity: the Epworth Sleepiness Scale, the Pittsburgh Sleep Quality Index and the Spiegel Sleep Inventory. Melatonin was quantified in saliva and its major metabolite 6-sulfatoxymelatonin (aMT6s) in urine. Melatonin levels were compared by a two-way analysis of variance at various times between the control and IEI-EMF group. Despite significantly different sleep scores between the two groups, with a lower score in the IEI-EMF group (P<0.001), no statistical difference was found between the two groups for saliva melatonin (P>0.05) and urine aMT6s (P>0.05).
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Soafara Andrianome, Laurent Hugueville, René de Seze, Maité Hanot-Roy, Kelly Blazy, et al.. Disturbed sleep in individuals with idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) : Melatonin assessment as a biological marker. Bioelectromagnetics, Wiley, 2016, 37, pp.175-182. ⟨10.1002/bem.21965⟩. ⟨ineris-01862939⟩

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