What does it mean to have a nightmare and wake up at 3am?

Understanding Nightmares and Waking Up at 3 AM

Nightmares can often be influenced by stress, anxiety, or depression. Experiencing a particularly challenging day might trigger unsettling thoughts during the night, which could manifest as a terrifying dream that awakens you at 3 a.m. In some instances, individuals may even endure sleep paralysis. Furthermore, anxiety might hinder your ability to sleep soundly throughout the night.