A ceiling fan making grinding noise may be caused by unbalanced blades that cause the fan to wobble. Ceiling fan blades can become unbalanced by dust collecting on the blades when the fan isn't in use. Clean the blades by wiping them down with a damp rag to remove any dust and debris causing them to be unbalanced.
Are fans considered white noise?
White noise examples include: whirring fan. radio or television static.
Is sleeping with a fan white noise?
While the circulating air might aggravate allergies and dry out your skin and eyes, a fan can also provide comfort and soothing white noise.
What is considered white noise?
White noise is random noise that has a flat spectral density — that is, the noise has the same amplitude, or intensity, throughout the audible frequency range (20 to 20,000 hertz). White noise is so named because it's analogous to white light, which is a mixture of all visible wavelengths of light.