Hi everyone. I'm 41, a school nurse, and I've been lurking since last fall while my doctor and I chip away at blood sugar stuff. I'm not a big data person — I count calories mostly because it's the one habit that keeps me honest — but I finally got bloodwork back that looked better than it has in years, and meanwhile I'm sleeping like garbage and feel flat all day. Is that a thing, where the numbers get better before you actually feel better? I'd honestly rather hear what worked for you than look at another chart.
Hi from Cara: better labs, worse sleep
#1
#2
Ferritin 42 to 68 is a big move. Did u run ferritin with CRP or separate? My sleep dips when ferritin climbs fast, but that could just be my weird pattern.
#3
Sleep score 82 to 71 with HRV down 7 points—that's not nothing. What tracker? Oura and Whoop can drift on HRV after firmware updates.
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#4
Not the tracker. My Oura did the same after a firmware push in Feb. Older baseline was useless for 3 weeks.
#5
My free T3 was low when ferritin was 40. Once ferritin came up, sleep improved, but that's just my n=1.
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#6
The fish/late eating swap could matter more than the labs. I moved dinner earlier and my deep sleep went up before CRP changed.
#7
How much later were you eating before? I’m asking because my HRV tanks if I eat within 2 hours of bed.
#8
Same, but my CRP didn't budge until I cut seed oils. Sleep was the same though.
#9
What does your training load actually look like? +10% could be fine, or it could be hiding harder intervals. Sleep debt from intensity sneaks up.
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#10
This is the puzzle. CRP down but feel flatter often means the marker improved while something else got worse—sleep architecture, iron, calories, stress. I logged subjective energy daily for 2 weeks and compared to HRV. My own n=1: ferritin 70-90 felt better than 110+, but sleep was best when bedtime was consistent. That’s just me though.
#11
Did you get CRP after a hard week or a rest week? Mine swings 1.5 points depending on whether I tested aftre a long run.
#12
Yep. I started testing same day, same time, fasted, no training 24h. My 'improvement' turned out to be noise.
#13
Noise is why I stopped chasing single labs. Symptoms + 14-day rolling HRV told me more than one CRP draw.
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#14
I’ve been tracking this exact pattern for about 14 months. Hs-CRP fell from 3.2 to 0.9 after I cleaned up diet and added zone 2, but my sleep score dropped from 84 to 73 for the first 6 weeks. HRV bottomed at 38 from 47. What finally moved it was changing my evening light and moving my last meal to 4 hours before bed, not touching supplements. Ferritin also rose from 55 to 102, which I think helped. Not saying that’s your answer, just that the timeline can look ugly before it gets better. I’d love to see your 4-week rolling averages instead of single points.
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#15
The 14-month timeline is encouraging. My resting HR stayed flat during a similar CRP drop, so it can be load or just season. Sleep tracker first.
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