Lush, i feels the same too.. Had difficulty getting to sleep due to short of breath. Ya, somehow, sitting up helps, but not that comfortable to sleep.
I had bad runny nose last week too, from monday night to fri, think third time during pregnancy too... and taking the medicine makes me super drowsy. I visited my gynae last week, and told him about it. I feel like baby is having less movement due to the medicine too. Gynae suggest that i take the medicine at night and rest well. Was given MC for today, but cant take due to audit. So blue today....