The liver is the seat for anger and fear. As such congestion of liver regardless of cause may manifest as anxiety attacks when blood supply is hampered as may be the cause when lying down. Because of the stillness that occurs you may be more apt to notice this and concentrate on it which sets up your mind to magnify the anxiety.
If improvement is noticed with Liver Flush continue, you may notice fear and anxiety to lessen the more toxins you flush and the more free from physical and mental encumberances you may become.