APOB and insomnia measurement: The current study did not find any significant correlation between other lipids, such as TG and ApoB, and the risk of insomnia (Table 1, TG: N = 37 SNPs, OR: 1.1114, 95% CI: 0.8880–1.3910, P = 0.356; ApoB: N = 18 SNPs, OR: 1.0911, 95% CI: 0.9231–1.2896, P = 0.307).