Dream Catcher

The neuroscience of our night life

The Mystery of REM-related Penile Erections

Why do men and boys display "morning wood"? It occurs in tandem with REM during the night and may signal genetic fitness. Read More

My experience

I can tell you one thing- every time I go on a camping or canoeing trip with my friends, I wake up with major morning wood.

And it just makes me squeal with delight.

I thought it was assumed that

I thought it was assumed that these erections are to ensure healthy penile tissue? I know that in men who have been treated for prostate cancer one of the obstacles to recovering spontaneous erections is that the penile tissue atrophies if it goes too long without erections.

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Patrick McNamara, Ph.D., is Associate Professor of Neurology at Boston University School of Medicine and the author of numerous books and articles on the science of dreams.

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