Generally, i think that it depends on the person. Some people can instantly go back to bed and still have an LD which i suppose depends on how mentally aware you can be in such a short duration of time right after awakening. More likely than not, i wake up by my alarm and go to sleep without having any mental clarity of what i am even doing. The reliable thing about these micro WBTBs is that if you can easily fall back asleep, then you can probably slip some awareness into your dreams or incubate the next dream you will have.

In my case, i usually enter a false awakening when the micro WBTB works in my favor, and then by an FA i have a reliably high chance of being lucid. At the end of the day, this is not more than an observation of mine which i attempted to logically figure out the cause of. Noting that almost 70% of my total LDs were caused spontaneously after a WBTB, and that around an estimation of 60% of said LDs started in my room.. The very same pattern that repeats itself for me.