The present invention describes novel fluorene compounds of Formula I that are active as melatonergic agents: (See Formula) where: X = H, halogen, OH or OZ; Z = C1-6 alkyl; - (CH2) m-CF3 (m = 0-2); CD3; or (See Formula); R = C1-6 alkyl, C3-6 cycloalkyl, C2-4 alkenyl, halogen substituted C1-6 alkyl or C1-6 alkoxy substituted C1-6 alkyl.