{{Rsnum
|rsid=16905439
|Chromosome=8
|position=135976961
|Orientation=plus
|GMAF=0.1047
|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 | 96.9 | 3.1 | 0.0
| HCB | 80.0 | 20.0 | 0.0
| JPT | 73.3 | 26.7 | 0.0
| YRI | 55.6 | 39.7 | 4.8
| ASW | 0.0 | 0.0 | 0.0
| CHB | 80.0 | 20.0 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=22754043
  |Trait=Insomnia (caffeine-induced)
  |Title=A genome-wide association study of caffeine-related sleep disturbance: confirmation of a role for a common variant in the adenosine receptor.
  |RiskAllele=
  |Pval=9E-6
  |OR=3.33
  |ORtxt=[1.96-5.88]
  |OA=1
}}