The symptoms which appear at night usually go away by morning. However, they disturb sleep. These symptoms include; • Nausea • Bad breath • Trouble breathing • A hard time swallowing • Vomiting • Wearing away of tooth enamel • A lump in your throat If you have acid reflux at night, you may also have: • A lingering cough • Laryngitis • Asthma that comes on suddenly or gets worse • Sleep problems