I am 34 weeks pregnant, so very tired. Had little sleep the past 2 nights, can't sleep during the day. Thought i would get a better nights sleep tonight but i can't even lay down with out having coughing fits. They've got worse as soon as i have gone to bed. Is there anything i can take to ease it? I have toddler cough medcine in my cupboard but don't think i can take that. Thank you