2 documents found, page 1 of 1
Quasi-Experimental study of effects of lighting on rest, activity and melatonin...
Volcov,Cristina Furtado; Pinheiro,Eliana Moreira; Tsunemi,Miriam Harumi; Amaral,Fernanda Gaspar do; Avelar,Ariane Ferreira Machado; Hocking,JenniferABSTRACT Objectives: to compare the parameters of the activity/rest cycle of early postpartum breastfeeding women under a controlled and uncontrolled long wavelength ray light regimen. Methods: quasi-experimental study with breastfeeding women and their babies during postnatal rooming-in, São Paulo, Brazil. Participants were allocated to either an experimental (intervention) or a comparison group. The intervent...
A brief review about melatonin, a pineal hormone
Amaral,Fernanda Gaspar do; Cipolla-Neto,JoséABSTRACT Melatonin is a ubiquitous molecule in nature, being locally synthesized in several cells and tissues, besides being a hormone that is centrally produced in the pineal gland of vertebrates, particularly in mammals. Its pineal synthesis is timed by the suprachiasmatic nucleus, that is synchronized to the light-dark cycle via the retinohypothalamic tract, placing melatonin synthesis at night, provided its...