Sleep is governed by the circadian rhythm, which is typically entrained to the 24-hour solar day. As the sun rises and sets the human body's metabolism responds accordingly. But in this case study, the circadian rhythm of a patient with bipolar disorder was also linked to the 24.8-hour lunar cycle, which contributed to his manic-depressive episodes.
In Hollywood, where having a therapist is chic, mental health disorders are a reality. But often times they don't get the frank-talk focus that they deserve. So any celebrity who opens up to the media about their issues to de-stigmatize them -- like Lady Gaga and Demi Lovato -- is A-OK in our book.