13. Banish the clock, turn it round or put it out of sight so it’s not too distracting.
14. Try mindfulness to clear your mind, or the 4-7-8 sleep breathing method where you breathe in for four seconds, hold it for seven, then breathe out audibly for eight.
15. Make sure your mattress is comfy and supportive. Find the right one for you with our mattress finder.
16. Synthetic pillows should be replaced every six months to a year, down and feather pillows every two to five years.