What Morning Erections Can Tell You About Your Health, According to Urologists

Morning erections don’t get nearly enough credit. They’re inconvenient, they’re easy to dismiss, and nobody is putting them on a wellness checklist—but according to urologists, they probably should be. Nocturnal penile tumescence, the clinical term for what happens when the parasympathetic nervous system takes over during REM sleep and produces erections without any involvement from…