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Have you ever woken up right before your alarm goes off and had the dilemma of going back to sleep or just waking up? Turns out we all do and there's actually a scientific reason behind it all!
In case you didn't know, your body can sense time when you're in deep sleep thanks to a ball of nerves call the suprachiasmatic nucleus in the middle of the brain that controls blood pressure, body temperature, and a sense of time.
The suprachiasmatic nucleus can also decide when we you are feeling sleepy and when you feel wide awake and determine your sleep schedule based on your normal routine.
It turns out that your brain actually signals your body to start to wake up when your alarm goes off to prepare you for the "fight or flight" situation and sometimes your brain actually gives you too much energy or stimulation that it causes you to wake up earlier.
You can read more about the research HERE, but scientists say the best way to correct this is to go to bed at the same time every day so that your body knows when to signal it's time to sleep.
(LadBible)