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. Author manuscript; available in PMC: 2015 Mar 6.
Published in final edited form as: Sleep Med. 2014 Dec 5;16(2):217–224. doi: 10.1016/j.sleep.2014.11.003

Fig. 1.

Fig. 1

Quantile–quantile plot of P values. The ranked P values of SNP associations with sleep phenotypes are plotted with x symbols for 23,294 P values. The values above the Bonferroni-corrected criteria for P < 0.05 (thick dashed line) were approximately one log unit above the random expectations (i.e., P values ~0.10 times random expectations). Only the single association for rs4964515 in CRY1 with the questionnaire-reported weekday time of falling asleep was substantially above the random trend (P = 1.99E10–7).