“…Table 1 describes the main characteristics of these nine studies included. MBI protocols were MBSR (Gross et al, 2011;Ong et al, 2008Ong et al, , 2009Ong et al, , 2014Ong et al, , 2016Ong et al, , 2018 and MBCT (Lee et al, 2018;Wong et al, 2016), two adaptations of them that included CBT-I elements, respectively named mindfulness-based therapy for insomnia (MBTI) (Ong et al, 2014(Ong et al, , 2016(Ong et al, , 2018 and mindfulness-based cognitive therapy for insomnia (MBCT-I) (Heidenreich et al, 2006;Larouche et al, 2015;Wong et al, 2017), and free MBI protocols (Siritienthong et al, 2018;Vanhuffel et al, 2018). Duration of MBIs ranged between 6 and 8 weeks.…”