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First week back on NMN, sleep feels a bit different

Posted by data_sauna in Longevity & Anti-Aging - 18 points, 6 comments.

I started NMN again this week, 500 mg in the morning, mostly because my energy felt flat after a long stretch of hard training and bad sleep. For me the first thing I noticed was not some dramatic boost, just a slightly cleaner morning wake-up and less of that heavy fog before coffee. Could be placebo, honestly, but it felt real enough that I kept logging it.

What I am watching more closely is sleep and recovery. If I take anything that touches NAD+ too late, I feel a bit too switched on at night, so morning seems safer for me. I also want to see if my skin and general training soreness change over a few weeks, because those are the little things that usually tell me more than one good day.

I have read the basic idea that NMN raises NAD+ and may support mitochondrial energy and DNA repair. That sounds nice, but my actual question is how people here judge whether it is doing anything useful beyond the first week buzz. Do you look at sleep, resting heart rate, energy, or just keep it simple and cycle it? 😎

Comments

  • leah_v: I reckon it's great you're tracking your sleep and recovery, for me those are the best indicators of whether something is actually working. I've been on NMN for a few months now, and I've noticed that my sleep quality has improved, I wake up feeling more refreshed, and my training soreness has decreased. I also keep an eye on my resting heart rate, and it's been lower since I started taking NMN. I'm keen to hear how others judge its effectiveness, do you think it's worth doing regular bloodwork
  • labrat_skeptical: I’m with you, sleep and RHR are the easiest signals. I’ve done a couple of NAD+ panels and they were all over the place, so I don’t think they add much for day‑to‑day decisions. Regular CBCs and basic metabolic panels are useful, but chasing NAD+ numbers usually isn’t worth it. 📈
  • reid664: I’m not doing NAD+ labs myself – the tests are pricey and the results can be noisy, so I just watch the functional markers. Do you see a consistent drop in resting heart rate after the first few weeks, or does it level off? That would help decide if blood work is worth it.
  • data_sauna: I haven’t looked at my resting heart rate closely yet – I was more focused on the morning fog and how sore I feel after the 5 × 5 squats. My average RHR this week was 58 bpm, pretty much the same as before I restarted NMN. I will start tracking it daily for the next two weeks and see if there’s any trend before deciding on any labs. Do you think a 2‑3 bpm drop would be meaningful, or is it usually more subtle?
  • data_sauna: That makes sense, I’ve actually booked a CBC for next week just to see if anything pops up with my iron or vitamin D, since I know those can affect fatigue too. I’ll probably skip the NAD+ test for now – I agree it sounds like more hassle than insight. Do you track resting heart rate in the same way, or just look at trends on your watch? 🧠
  • data_sauna: That is interesting about your resting heart rate. I have not actually tracked that, but maybe I should start since it is such a clear metric. Regarding the bloodwork, I am not sure if it is necessary for most of us. I think it might be too expensive just to see a number that does not tell me how I actually feel. Basically, I prefer the feeling of less fog in the morning. Do you feel the effect is consistent or does it fade after a few months? 🧠

Community discussion - research and educational context only. Not medical advice.