• •A Cureus systematic review identifies 'masked nocturnal hypertension' as a distinct condition where blood pressure remains elevated only during sleep.
• •The analysis confirms a strong correlation between nighttime pressure spikes and damage to the heart, kidneys, and brain despite normal daytime readings.
• •Clinical diagnosis remains the primary friction point, as standard office blood pressure checks consistently miss these nocturnal patterns.

A systematic review published in Cureus reports that masked nocturnal hypertension is a significant predictor of subclinical organ damage, even in patients with normal daytime blood pressure. While conventional clinical practices rely on infrequent daytime measurements, this condition remains hidden because it only manifests during sleep. Detecting this pattern currently requires ambulatory blood pressure monitoring (ABPM), which is often underutilized in standard preventative care. Whether health systems will adopt routine nocturnal monitoring depends on balancing the diagnostic clarity of ABPM against the logistical costs of sleep-based tracking.