Why no morning wood happens and what it reveals about your vascular health
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 01, 2025 · 14 min read
Losing morning erections for many weeks often means nocturnal penile tumescence is being blunted by reduced penile blood flow, impaired nerve signaling, or poor sleep. This can flag vascular problems even when testosterone is normal. Here’s how to interpret the change and when it should prompt a closer look at diabetes and cardiovascular risk. “Morning ...