The partnership amongst the mix of lunar phase (light, ebony, basic symptoms) in the one or two latest menstruation onsets and subjective sleep high quality one of users that have suggest menstrual period = 31.5 ± step 1 days (A) and those having suggest menstrual cycle higher than otherwise lower than 31.5 ± 1 weeks (B). 5 ± 1 months (A). However, there can be a serious dating between lunar phase and sleep top quality, having a slow change in lunar stage on onset of period due to extended or smaller imply cycle size (B). (more…)