This is one of 4 Marian antiphons, with following versicles and prayers, historically explained or sung after night prayer, instantly prior to going to rest. It is said in the conclusion of Eastertide until eventually the start of Arrival. The conclusions gathered Here's not sufficient to clarify the neurobiological mechanisms https://vitapronobis08643.timeblog.net/66960135/the-smart-trick-of-vita-pro-nobis-that-nobody-is-discussing