morning sickness

Zoe
I need help ladies im really struggling with sickness i cant keep much down and even when i do im so nauseous i just wann lie down all the time i spoke to my midwife and her obly advice was to rest and consider taking some time off, i work full time and Christmas is our busiest time of year so i would never be able to take even a day off any advice how to deal with feeling like this?