Coughing is designed to protect our airways and prevent foreign bodies getting into the lungs - Getty Night-time coughing can wreck your sleep pattern and lead to lethargy and fatigue the next morning ...

Night-time coughing can wreck your sleep pattern and lead to lethargy and fatigue the next morning. Millions of us self-medicate for coughs, with the market for cough, cold and sore throat remedies ...