It very much depends on where I am, what I'm doing, and what caused it. When I was younger I would overtreat as well, but now we have libre, and other cgms we have much more information to work with.
I find it useful not to use sweets I really like though, otherwise I will eat too many. I used to find Rowntrees fruit pastels very useful, because they were the most boring sweet I could find. Though I don't use them now.
If I'm out walking, and it's dropping fast, I'll use sweets, other times I might just eat a banana, or something with less carbs. I tend to find the more I eat the faster the carbs act, so it depends how serious a hypo it is. I woke up once in the middle of the night with 1.6, that was before libre, it hasn't happened since I got it, and ate loads of sweets to stop it falling too much further and get it up as quick as possible.
Occasionally I pre-bolus for a meal, and my blood sugar just falls faster than expected, then I'll overtreat in those circumstances, as well, and just deal with the aftermath, rather than let it fall too far.
It just depends how fast it's falling, and how much insulin on board.