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 — and it 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 ...