Variant: rs71440053 

    present in Gene: COL4A1
    present in Chromosome: 13
    Position on Chromosome: 110177535
    Alleles of this Variant: A/T

rs71440053 in COL4A1 gene and Duration of sleep PMID 27126917 2016 Genome-wide association analysis of actigraphic sleep phenotypes in the LIFE Adult Study.