Insomnia patients also report mental hyperactivity (e.g., rumination, worry, negative thoughts), contributing to difficulty falling asleep and maintaining sleep throughout the night (Harvey, 2000, Lemyre et al., 2020). Cognitive models of insomnia state that insomnia patients tend to develop sleep anxiety, which further increases counter-productive strategies to get more sleep (Harvey et al., 2005, Harvey, 2002). Moreover, they also overestimate their sleep onset latency, number of awakenings