Variant: rs12607679 

    present in Gene: TCF4
    present in Chromosome: 18
    Position on Chromosome: 55392517
    Alleles of this Variant: T/C

rs12607679 in TCF4 gene and Duration of sleep PMID 30804565 2019 Genome-wide analysis of insomnia in 1,331,010 individuals identifies new risk loci and functional pathways.