Why 3 to 5 A.M. Is the Most Disruptive Time in Your Sleep Cycle
Waking up suddenly in the middle of the night can feel especially frustrating when you’ve followed every bedtime routine perfectly. Yet many people find themselves awake between 3:00 a.m. and 5:00 a.m., a window that seems strangely universal. What makes this period so disruptive is that it occurs during one of the most sensitive transitions…