Two things which really stood out for us during the research for this post were:
the importance of a relaxing pre-sleep routine, and
how much our brains are working during sleep.
Being librarians of course we can’t publish this post without mentioning that reading before going to sleep is a great way to relax. Close the curtains on the real world, turn off your electronic devices (even the mobile phone), silence your music, pick up a book and read. Just remember to set your alarm, night night!