During night I usually wakeup within one hour due to acidity. Then I eat some biscuts and drink carbonated drink. When burp goes i feeling better. But after one hr the same condition. I have one question abt Zantac. Before going to bed...if can i take zantac,is it helpful to get hours sleep. Please help me....Now i am 9 weeks...next week i want to fly around 7 hrs...i am so worried abt that also....