CACNA1B and insomnia: The molecular docking results shown in Figure 5 demonstrate that PTGS1 with the nerolidol component, CACNA1B with the caryophyllene component, GABRB3 with the myrtenyl acetate component, and the scores of HT1AR with caryophyllene and myrtenyl acetate may be the key active components of valerian essential oil for treating insomnia.