
Stress is the most common cause of waking up at 3:07am to 3:15am. When the body feels stressed, it activates the sympathetic nervous system, causing an increase in heart rate and blood pressure, causing you to wake up in the middle of the night.

Stress is the most common cause of waking up at 3:07am to 3:15am. When the body feels stressed, it activates the sympathetic nervous system, causing an increase in heart rate and blood pressure, causing you to wake up in the middle of the night.