Why you may be suffering from 3 a.m. wakeup calls
If you consistently find yourself waking up at 3 a.m. and then dragging throughout the day, you may have adrenal fatigue caused by too much stress. Both emotional and physical stress can cause your body to pump out adrenaline that gives you a burst of energy to deal with situation. Adrenaline also raises your heart rate, increases respiration, dilates the pupils, slows down digestion and causes muscles to contract.
Why do your eyes open at 3 a.m.? It's when your liver regenerates! To do so, it needs glycogen. Unfortunately, adrenaline causes your cells to use up glycogen. So if you're under constant stress, your body may not have enough glycogen for the liver during its regeneration period and therefore, fires off more adrenaline to compensate. This may be why you're awake and ready for action instead of sleeping soundly.
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