Morning wood is a slang term for nocturnal penile tumescence, which means waking up with an erection. It can happen in the middle of the night or the early morning hours while you’re sleeping. If you ...

The morning penile erection, or as it is medically known, “nocturnal penile tumescence”, is not only an interesting physiological phenomenon, it can also tell us a lot about a patient’s sexual ...

Morning erection, also called nocturnal penile tumescence (NPT), occurs when the penis engorges with blood and you wake up with an erection. This is a perfectly normal occurrence. Most morning ...

Q. Perhaps it's due to a lot of stress at work recently, but for a while now, I haven't been waking up with an erection. I've always been confident in my sexual performance, so this has been a ...