Ilustrasi: lansia mengalami insomnia (sumber: sleepfoundation.org)
Mengobati, Insomnia, Cegah, Depresi, gejala, landia, mdd, major, depressive, disorder, biasa, kematian, pengidap, usia, lanjut, penelitian, obat, waktu, tidur, cbt-i, perkembangan, kriteria