Everything you really need to know about menopause. WHAT I KNOW FOR SURE For two years, I didn’t sleep well. Never a full night. No peace. Restlessness and heart palpitations were my steady companions at nightfall. This was back when I was 48 to 50. I went to see a cardiologist. Took medication. Wore a heart monitor for weeks. And then one day, walking through the offices of The Oprah Winfrey Show, I picked up a copy of The Wisdom of Menopause, Dr. Christiane Northrup’s book, and the pages…