title: Excess nocturnal deaths related to sleeping pill and tranquilliser use.
mesh_terms: D006801:Humans; D006993:Hypnotics and Sedatives / Q000009:adverse effects*; D012891:Sleep Apnea Syndromes / Q000401:mortality*; D014149:Tranquilizing Agents / Q000009:adverse effects*
chemical_list: D006993:Hypnotics and Sedatives; D014149:Tranquilizing Agents