Sleep 11 - Action - Use earplugs

The aural equivalent of a sleep mask. Good if you live near busy roads, or have loud neighbours or family.

The Telegraph: "The best earplugs for sleeping: here's how to block out noisy neighbours and snoring spouses"
https://www.telegraph.co.uk/recommended/home/best-earplugs-restful-nights-sleep/

[I've used earplugs before and found them to be more annoying than helpful and personally didn't seem to work that well and fell out frequently. However, they might be worth a try if noise is an issue. I don't have a product to recommend as so far none have worked well enough for me]