Positives

• One individual shared that an adjustable white noise generator, which allows customization of tones like brown, green, and pink noise, was beneficial for managing tinnitus by helping to “block what you are hearing” Reddit.
  
  
• Another long COVID patient found that using specific tones from a white noise machine helped soothe their nervous system, reducing feelings of agitation and pain, and improving sleep quality Reddit.
  
  
• One individual reported that they now rely on midtones from a white noise machine to fall asleep, suggesting a significant improvement in their sleep routine Reddit.
  
  

Negatives

• A 2024 ScienceAlert review of white noise research summarized concerns that prolonged background-noise exposure could induce maladaptive plastic reorganization of the central auditory nervous system in animal models, a caution worth noting for Long COVID patients who run sound machines all night every night. Sciencealert.
• Sleep Better NY's pros-and-cons review notes that nightly white-noise users can become conditioned to require the sound, making it difficult to sleep in quiet environments such as travel or hospital stays, an underappreciated cost of sustained dependence. Sleepbetterny.
• Patients running adult sleep machines on high volume can exceed occupational noise limits at typical bedroom placement — hearing damage can develop after more than 8 hours of nightly use, a concern for chronic Long COVID insomniacs. Publications.

Hurdles & Side Effects

• A user noted that sensory overload, including “too much background noise,” could exacerbate their symptoms, indicating that white noise might not be suitable for everyone Reddit.