Description : Advanced sleep phase syndrome is characterized by very early sleep onset and offset
(summary by Jones et al., 1999). For a discussion of genetic heterogeneity of advanced
sleep phase syndrome, see FASPS1 (604348).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the casein kinase 1, delta, gene (CSNK1D, 600864.0001);