Acid reflux adversely affects sleep quality by awakening the patient from sleep during the night while insomnia and acid reflux are two different medical problems, they often co-exist together to throw in a double whammy studies have found a significant association between disturbed sleep and gerd, and this may be bidirectional sleep. My acid reflux is so bad i can't sleep. When the above happened the acid and stomach content can cause acid reflux induced asthma when acid goes in your mouth it splashes on your teeth and can cause damage to them the worst thing you could do for your teeth are brush them right away my dentist told me that he could see the signs of acid reflux on his patient’s teeth.