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Sleep May Silence Tinnitus Ring
7 Mar
Summary
- Deep sleep may naturally dampen hyperactivity linked to tinnitus.
- Ferrets showed disrupted sleep alongside tinnitus after noise exposure.
- Tinnitus and sleep are closely intertwined, impacting brain activity.
Neuroscientists now suspect sleep and tinnitus are fundamentally intertwined. Studies on ferrets, whose auditory systems resemble humans', revealed that hyperactivity linked to tinnitus can be dampened during deep sleep. This suggests a natural brain mechanism for modulating abnormal brain activity.
Ferrets that developed tinnitus after noise exposure also showed disrupted sleep, indicating a clear link. Crucially, their brain's overactive response to sound was reduced during non-REM sleep, suggesting sleep might temporarily mask tinnitus effects.
This research, building on a 2022 review, indicates that deep sleep could mitigate tinnitus. Further studies are exploring how sleep impacts tinnitus development and vice versa, potentially opening new treatment avenues for this common phantom percept affecting 15 percent of the population.
