The following link has an article which suggests that the reason so many women are tired just after ovulation and just before their periods is due to the rapid drop in progesteron. However, since individuals with PCOS have their hormones off kilter, I wonder how our hormones effect our sleep. Any thoughts? The link to the article is contained below.
http://www.sleepfoundation.org/publications/women.cfm#2
An explanation of the fatigue between ovulation and bleeding 
