A shaking washing machine that causes enough vibration to wake you up in the next room is unlikely to cause brain damage. The vibrations produced by a washing machine are mechanical in nature and typically not powerful enough to cause any harm to the human body, including the brain.
The human brain is well protected by the skull and cerebrospinal fluid, which acts as a cushion against external impacts and vibrations. Everyday household appliances like washing machines, although they may produce noticeable vibrations, are not capable of generating forces that can penetrate the skull or affect the brain in any significant way.
However, constant exposure to loud and disruptive noises, including the noise produced by a shaking washing machine, can lead to disturbances in sleep patterns, stress, and general discomfort. Lack of proper sleep and chronic stress can have adverse effects on overall health and well-being, but they are not related to direct brain damage from the vibrations of the washing machine.
If your washing machine is excessively shaking and causing disturbances, it might be a sign of an imbalance or other mechanical issue with the appliance. It's a good idea to check and possibly service the washing machine to ensure it is working correctly and safely. Additionally, using anti-vibration pads or placing the washing machine on a level surface can help reduce the vibrations and noise it produces. This can contribute to a quieter and more peaceful living environment.