Fig. 2

IDSIQ total score over time. Mean (± SE) change from baseline in observed IDSIQ total scores over time. IDSIQ total scores are based on the mean of daily entries in the given week. Error bars show standard errors of the mean. Treatment difference between daridorexant and placebo is tested using linear regression, p values are reported in the graph; * p ≤ 0.05; ** p ≤ 0.01; *** p < 0.0001 vs placebo. IDSIQ, Insomnia Daytime Symptoms and Impacts Questionnaire; SE: standard error of the mean