 [ Symptoms ] my mom has kidney failure diabetes sarcoidosis heart failure she now has these big knots why [ Disease ] if by herbs you mean pot then i can tell you that the only negatives so far are just that you can become dependamt on it if you are using it for insomnia but i will also tell you that smoking pot can help insomnia greatly and is safer than popping sleeping pills that can cause liver failure or intestianal distress you can overdose on sleeping pills too if you are not carefull most strength pills like tylenol have 500mg of acetaminophen if you take 4 of those extra strength 500mg pills you can overdose because the lethal daily take in of acetaminophen is 4 000mg