Thank you for writing.
A woman is post-menopausal once she hasn't had a period for 12 consecutive months. But symptoms can go on for several more years including hot flashes, insomnia etc.
Talk to your doctor about your options, there are some medications you can take that can help. There are also natural ways to help - cut and paste this article to know more: https://www.empowher.com/community/share/manage-your-menopause-symptoms-natural-treatments