This FREE tool was designed by the Sleep Council to help improve the quality of your sleep in just 4 weeks. All you need to do is answer a series of questions based on your sleep, health and lifestyle. There are just under 20 questions, they are all multiple-choice, and are written in an easy to understand way.
Check it out here:
sleepcouncil.org.uk/advice-support/sleep-tools/30-day-sleep-plan/