{{Rsnum
|rsid=2302729
|Gene=CACNA1C
|Chromosome=12
|position=2674806
|Orientation=plus
|GMAF=0.3177
|Gene_s=CACNA1C
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 67.3 | 27.4 | 5.3
| HCB | 35.8 | 52.6 | 11.7
| JPT | 23.9 | 52.2 | 23.9
| YRI | 14.3 | 45.6 | 40.1
| ASW | 28.6 | 50.0 | 21.4
| CHB | 35.8 | 52.6 | 11.7
| CHD | 45.0 | 45.0 | 10.1
| GIH | 78.2 | 21.8 | 0.0
| LWK | 18.2 | 47.3 | 34.5
| MEX | 63.8 | 34.5 | 1.7
| MKK | 20.5 | 42.9 | 36.5
| TSI | 63.7 | 32.4 | 3.9
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=23728906
  |Trait=Sleep quality
  |Title=A genome-wide association study of sleep habits and insomnia.
  |RiskAllele=T
  |Pval=4E-6
  |OR=.17
  |ORtxt=[0.092-0.248] unit increase
  }}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}