From the 2002-2005 figures in the National Health Insurance database, Erin Wu, head of psychiatry at the Koo Foundation Sun Yat-Sen Cancer Center, estimates that approximately 4 million Taiwanese take hypnotics prescribed by their doctors every year.
辜公亮和信治癌中心醫院身心科主任吳佳璇根據 2002 ∼ 2005 年的健保資料推估，全台灣約有 400 萬人透過醫師處方使用安眠藥。