I was having a horrible time until a friend recommended maca
www.maca.co.uk it has woprked really well for me. I take four day (tried two but didn't make a huge difference) no more night sweats, memory a bit better and I fancy my OH again (luckily he stil fancies me too!)
On the duvet cover, turn it inside out, put your hands in the far away corners and just pull t cover down, works a treat, even on kingsize, and I am not very tall