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My answer: I keep a humidifier running in my bedroom at night throughout the year, because even when I don't need much humidification it's still a very good white-noise machine. (it's the wicking kind that inherently adapts to the ambient moisture level, so it doesn't over-humidify in summer: it just uses very little water then)
I also recorded the humidifier's sound and keep a copy on my phone, as an emergency backup in case of power outage or travel. (Haven't tried using it yet, not sure how well it'll work.)
I have a very hard time getting to sleep if I can hear snoring, though: I would definitely much rather have silence than that.
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A nightlight in the same room is excessive and keeps me awake. A bit of indirect light is best. The streetlights out the window work well for this.
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(My mom and occasionally my dad snore, and when I was a kid they always used a nightlight. I did not realise how terrible sleeping in their bed was until after I stopped. I actually resisted using my own bed at the time, because better the devil you know.)