What organ is cleansing at 2 am?

What organ is cleansing at 2 am? One of the most important 2-hour intervals is between 1 a.m. and 3 a.m., which is when the liver is believed to be cleansing the blood.

One of the most important 2-hour intervals is between 1 a.m. and 3 a.m., which is when the liver is believed to be cleansing the blood.