ftwabeck3533 wrote: [...] Will add one more comment, based on personal experience. I have recently began taking my daily 20mg dose of Sildenafil in the middle of the night (if I wake up to pee). My morning wood is much stronger since I started this regimen, the PDE5 does work whether you are asleep or awake.
Yes, I had a similar experience recently.
I tried 200 mg of udenafil in the afternoon and at night I had rock hard erections.
I always have strong nocturnal erections but this one was much harder than usual.