Many of us like to fall asleep to the sounds of a white noise machine, but according to TikTok, brown and pink noise may be the sleep aides of the future. The hashtags #brownnoise and #pinknoise ...

The only thing is, some wallpapers might show up right away. For instance, Apple added a new pink and purple CarPlay wallpaper with iOS 18, but it only shows up when CarPlay is in light mode.