Sleep at your left side. And put one pillow BTW in yours legs Due to this their is good blood circulation . And no weight put on ur other organs in body when u sleep on your left. If u sleep om your back , all the weight of baby and utrus is put on ur kidney and lever. They will not work properly at night.
More towards ur left hand side u have to sleep. Because it helps in digestion too. After few months of conception we are not suppose to sleep straight, as it effects the baby means for breathing and moving.
Best to sleep on your left. Better blood circulation for mummy & baby.
As you wish No problem