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rs7221412(G;G)

From SNPedia

Late riser. Wakes up 1 hour later than those with AA genotype.
Is agenotype
ofrs7221412
GeneTRNAS6
Chromosome17
Position8,137,696
mentionedby
Magnitude2
Geno Mag Summary
(A;A) 2 Early riser. Wakes up 1 hour earlier than those with GG genotype.
(A;G) 2 Intermediate riser. Wakes up at a time between the AA and GG genotypes.
(G;G) 2 Late riser. Wakes up 1 hour later than those with AA genotype.

Research also suggests, then you while most people are more likely to die shortly before 11am, you are more likely to die later in the day. http://www.theatlantic.com/health/archive/2012/11/you-are-most-likely-to-die-at-11-am/265427/