Bring some earplugs
Getting a good (well, at least passable) night’s sleep can be a big factor in your climbing success. A tent flapping in the wind or a snoring tentmate can be easily thwarted with the humble earplug.
Tip – buy a pair that’s connected with a foot or so of string. When one falls out (and it will) it can be easily retrieved and won’t be lost in the folds of your sleeping bag.
Carry them in small plastic bag so the string doesn’t get too tangled up. Get the plugs at a good hardware store or online . They do get lost, even with the string, so get a few pairs when you’re shopping.