TY - JOUR AU - Lemoine, P; Nir, T; Laudon, M TI - Prolonged-release melatonin improves sleep quality and morning alertness in insomnia patients aged 55 years and older and has no withdrawal effects JO - J sleep Res IS - 04 VL - 16 PY - 2007 DO - 10.1111/j.1365-2869.2007.00613.x L3 - PubMed-ID: 18036082 SP - 372 EP - 380 ER -