It can do. Research shows that for people with hearing loss or tinnitus (ringing/buzzing noises in ears) wearing hearing aids during the day has been shown to improve the quality of their sleep.

Zarenoe, R., Hallgren, M., Andersson, G., & Ledin, T. (2017). Working memory, sleep, and hearing problems in patients with tinnitus and hearing loss fitted with hearing aids. Journal of the American Academy of Audiology, 28(2):141–151.