To have output you must have input. It helps to go on a period of creative nourishment, or dolce far niente, clearing the brain. Go to bed with the cat, some flouffy pillows, tea and a book which could not in any sense be called improving. Read for fun for a change: superior Chicklit is good, or children’s classics. You are not allowed to try and analyse what the author is doing. After a good sleep, go and do something new, or that you haven’t done for a while....