I know. I not only shut the system down, I pull the surge protector strip it and all its peripherals are connected to...from the wall.
But we each should do what's right for us.
Unless it's a laptop with a still-working battery, this is a really BAD IDEA!
Back in the days before ATX, you could do this, as off was really off, and the battery on the motherboard that maintains the BIOS settings could last a few years.
Nowadays, the expectation is that even if the computer is turned off, it will still be getting trickle power to maintain settings and such from the wall. Unplugging it, your BIOS battery will not last more than a few months, and you will constantly be getting scrambled settings.
SSD wakes much faster from sleep than a HDD does. You just don't want to hibernate (or hybrid sleep).