If a man is being treated for erectile disorder, a lack of nighttime erections would be a good indicator that the underlying cause is physical.

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Quizplus · Accepted Answer

Nocturnal erections, also known as morning wood, are a normal occurrence for men and happen during the rapid eye movement (REM) stage of sleep. If a man is not experiencing nocturnal erections, it could be an indication of a physical issue such as low testosterone levels or circulatory problems. Psychogenic causes of erectile dysfunction would not affect nocturnal erections. Therefore, the absence of nighttime erections is a good indicator that the underlying cause is physical.

If a Man Is Being Treated for Erectile Disorder, a Lack