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Introduction Vestibular pathologies cause physical and psychological symptoms, as well as cognitive problems. Objective To evaluate the deterioration in sleep quality associated with vestibular pathologies. Methods The Dizziness Handicap Inventory (DHI), the Beck Depression Inventory (BDI), the Pittsburgh Sleep Quality Index (PSQI), and the Limits of Stability test (LOS) were applied to the participants. Results We included 25 patients with Meniere's disease (MD), 22 patients with benign paroxysmal positional vertigo (BPPV), 21 patients with unilateral peripheral vestibular loss (UPVL), 23 patients with vestibular migraine (VM), and 43 controls. The total PSQI scores of the controls were better than those of the MD (p = 0.014), VM (p < 0.001), BPPV (p = 0.003), and UPVL (p = 0.001) groups. The proportion of poor sleepers in the MD (p = 0.005), BPPV (p = 0.018), and UPVL (p < 0.001) groups was significantly higher than that of the controls. The highest total DHI score (45.68 ± 25.76) was found among the MD group, and it was significantly higher than the scores of the BPPV (p = 0.007) and control (p < 0.001) groups. The highest BDI score was obtained in the VM group, and it was significantly higher than the scores of the BPPV (p = 0.046) and control (p < 0.001) groups. Moreover, the BDI scores of the MD (p = 0.001) and UPVL groups were also significantly worse than the score of the controls (p = 0.001). Conclusion The present study showed thatpatients with vestibular symptoms have physical and functional complaints, as well as increased psychosocial stress and decreased sleep quality. Evaluating multiple parameters of quality of life may contribute to a better understanding of vestibular physiology and symptoms, and may help establish a more effective therapeutic approach.