For extra fun, if while it's sleeping it's connected to a Display Port or USB-C display, it'll wake it up everytime it wakes the wifi for its 'power naps'. Disa

For extra fun, if while it's sleeping it's connected to a Display Port or USB-C display, it'll wake it up everytime it wakes the wifi for its 'power naps'. Disabling them in System Prefs doesn't change this.