Once in bed, there are several recommended breathing techniques designed to slow down body functions that keep you tense and anxious. Slow, deep breathing slows the heart rate and makes it easier to drift off to sleep. 4-7-8 is one such breathing technique. With mouth...
Play an audiobook all night to help distract an otherwise excessively active mind. Use a book greater than 8 hours long. Too loud is not helpful, but too soft can make you strain to hear and potentially wake you up. Too interesting can be a problem so consider a story...