A biographer says that during 1975 and 1976 David Bowie was on such a massive cocaine habit and his diet consisted of peppers and milk that he lived that period in psychic terror.
At the time, Bowie was living in a house full of ancient-Egyptian artifacts, burning black candles. He reported seeing bodies fall past his window, having his semen stolen by witches, receiving secret messages from The Rolling Stones, and living in morbid fear of fellow Aleister Crowley aficionado Jimmy Page.
Interestingly in 1976 he released Station to Station his tenth album. It is commonly regarded as one of his most significant works. Bowie doesn't remember anything from the production of the album, because he was so dependent on cocaine at the time.