It may be unsettling to wake in the middle of the night and see that it is 3 am. Our minds can go crazy imagining what might be going on, even if we understand how unwarranted these thoughts are in the light of day.
However, waking up at 3 in the morning has nothing to do with supernatural activity and everything to do with your sleep cycle.
While sleeping, your body goes through different phases of sleep, with each one serving different purposes and affecting the body in different ways.
Around 3 in the morning, most people are in the middle of the REM cycle, which is the deepest sleep you experience during the night. When in REM sleep, your heart rate drops, your breathing slows, and your body temperature decreases. In addition, many functions in the body are reduced or stopped altogether, including movement of your limbs. The body goes through these changes to help you get as much quality sleep as possible, but it can be concerning when you wake suddenly during this time.
Whether a noise wakes you or mother nature calls, waking during the deep sleep of the REM cycle leaves you feeling disoriented and cold. Your body reacts to these feelings with fear because the way you wake up is not a natural mode for the conscious body. Like how you feel panic when you wake up somewhere that you did not fall asleep, the body also experiences terror when it wakes up feeling differently from when going to sleep.
Add in the fact that the witching hour has become an ingrained part of society, and it’s no wonder that when you wake up in a panic at 3 in the morning, you think something unnatural is happening.