1 They are the main type of gallstones in the UK and the USA.  Pigment gallstones - these form when the bile has too much bilirubin. They are more common among patients who have liver disease, infected bile tubes or blood disorders, such as sickle-cell anemia.
DeepDream is a computer vision program created by Google which uses a convolutional neural network to find and enhance patterns in images via algorithmic pareidolia, thus creating a dream-like hallucinogenic appearance in the deliberately over-processed images.
WBTB-Wake Back To Bed - Waking up for 20-30 minutes, then going back to bed increases the chances of lucid dreaming. Use that time to read about lucid dreaming or plan your dreams, and make your intention solid. Can be combined with other techniques.