An Overnight Weight Bump That Vanished by Sunday

2026-10-06 23:36

I have been tracking my weight for eight months and am down 62 pounds. I weigh most mornings, but I make decisions from weekly averages.

Two weeks ago, I had a strange glitch: after a lighter-than-usual Thursday, my Friday weight was up 2.8 pounds. Saturday added another 0.6. Nothing about my meals or movement explained it, and I felt fine.

By Sunday evening, I expected the number to stay put.

Instead, Monday morning it was down 3.4 pounds, below where I started. My weekly average only eased down 0.3 pounds, which is exactly what my log had predicted. The daily chart looked dramatic; the weekly line looked boring. That contrast helped me stop treating each morning as a verdict.

I still note sleep, salt, and digestion beside the number, mostly so future me remembers that the body is not a calculator. What is the oddest short-lived bump or dip you have recorded, and did your weekly average calm it down?

2026-10-08 09:29

Had almost that exact pattern last month: Thursday looked great, Friday +3, Saturday +0.5, Sunday back to baseline. Mine was a salty late dinner plus poor sleep—not calories.

The delay always messes with my head; I now jot sodium, sleep, and whether I’ve, uh, gone #2 next to the weight. Often the “whoosh” shows up 48–72 hours later.

Did you sleep worse or eat later than usual Thursday?

Also, were your Saturday/Sunday weigh-ins at the sae time and after the same bathroom routine? For me, a weekend lie-in alone can fake a pound.

2026-10-09 13:55

this is why my scale and I have trust issues. My dorm’s “chicken” teriyaki plus pickle chips did almost the same thing: +2.6 Friday, +0.4 Saturday, then gone by Monday.

I weigh most mornings but only trust the weekly average, because one day’s number is basically gossip. Cheap-protein go-to that can wreck me: tuna packet + microwave rice + hot sauce.

If I add ramen seasoning, I wake up feeling like a water balloon. Did your Sunday drop erase the whole 3.4 or just most of it? That’s the part I’d track.

2026-10-10 07:05

I've seen this. My daily swings can hit +2.9 lb from sodium or a hard workout, but my 7-day average only moved 0.1 lb that week. The ratio is wild — like watching a shipping

2026-10-11 14:23

Those ghost pounds visit me too—by Sunday they’re gone and I’m side-eyeing my bathroom scale. 😂

2026-10-14 07:48

Night shifter here. Was Friday after a different sleep block?

My “morning” after a night shift is 3 p.m., and I’m routinely up 1–2 lb versus a normal-sleep morning. Same food, same water. It’s just timing—sleep, bathroom, fluids. I quit comparing those two.

Now I only compare same-shift weigh-ins. If Thursday was a day off and Friday was post-shift, that’s your glitch.

Did the bump line up with your rotation?

2026-10-18 04:52

That pattern is so familiar. I also weigh daily and only trust weekly averages, but I’ve noticed a late dinner or a low-fiber day can show up as a 2–3 lb bump two mornings later, even when I feel fine.

Did Thursday’s lighter weight happen after an earlier or smaller dinner than usual? I’m curious because that rebound timing often seems like digestion/water rather than a real gain.

Gentle follow-up: any changes in bathroom timing Friday or Saturday? That’s usually my missing puzzle piece.

2026-10-18 12:48

The one that gets me is a big raw-veg/chia/lentil dinner—same calories, but the water and fiber seem to ride along for a day or two. Did your Friday/Saturday bathroom rhythm shift at all?

I’ve started noting that next to my weight, because a no-BM morning can easily look like +1.5–2 lb even when nothing else changed. Not saying that’s yours, just a gentle thing to cross-check.

If it vanished by Sunday, it was probably transit timing, not anything you did wrong. You’re already doing the weekly-average thing exactly right.

2026-10-19 06:42

Road-warrior angle: any chance the scale itself had a travel week? Mine reads 1.5–2 lb heavier on hotel carpet vs bathroom tile, and an early flight weigh-in before coffee/after airport water is its own circus.

Did Friday involve a different scale or floor placement, or just a later-than-usual morning? I log scale + floor + time in my app now; it catches these “glitches” before I start side-eyeing the mini-bar area.

2026-10-19 09:07

Airport coffee + salty pretzel did that to me last trip; scale was just mad for a day. 🙃

2026-10-19 20:33

same thing happens to me and it’s almost always a 36-48 hr delay, not overnight. i log sodium heavy stuff and late-night gaming snacks separately, and restaurant/leftover meals show up as a 2-3 lb bump two mornings later.

also if i sleep <5 hrs after a raid, i’m up regardless of calories. did you eat anything saltier or later than usual on wednesday/thursday?

mine vanishes after 2-3 days of normal water/sleep and a couple boring meals.

2026-10-20 02:33

did the scale itself move? My dorm has carpet in the bedroom and tile in the bathroom, and I once got a +2.6 lb “whoosh” just from weighing on carpet vs tile.

Same body, same morning, different floor = instant existential crisis. Now I keep a sticky note marking the exact tile grout line and weigh after the same bathroom trip.

Dorm meals are chaotic enough—mystery stir-fry volume, late-night instant rice—without adding scale-placement noise. If Friday’s number came from a different spot or surface, that might explain the glitch better than anything you ate.