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2026-08-10 sleep
sleep
recovery
naps

Sleep — 2026-08-10

8h 32min · 00:24→09:19 · REM: 7% · Deep: 38% · HRV: 139ms 🟢 · Resting HR: 49 bpm · Score: 87/100

Recovery night after a brutal weekend. The 5am drinking night (see Sleep/2026-08-09) crushed HRV to 29ms — the lowest ever recorded — with resting HR at 72 bpm. This night the body rebounded hard: 8h32min, deep sleep at 38% (3h 15min) — physical debt paid back. HRV at 139ms is the second-highest ever recorded (140ms all-time high on Jul 29), sitting above the personal range of 78-136ms — full parasympathetic rebound once the system was clean.

REM is the odd one out: only 7% (33 min). Classic post-deprivation pattern — the body prioritizes deep sleep first, and REM debt gets paid back during the day. Gutca reported napping a lot, struggling to wake, and dreaming heavily at the end of naps (couldn't recall the dreams) — that's daytime REM rebound, not a bug. Sleep inertia on top of a 09:19 wake made the morning feel heavier than the numbers suggest.

The cleanest takeaway — the contrast is everything: drinking night (Aug 9) = HRV 29ms · HR 72 bpm · 4h33. Sober night (Aug 10) = HRV 139ms · HR 49 bpm · 8h32. That gap is the measured cost of a 5am drinking night — the worst recovery signal in Gutca's entire logged history. The good news: one clean night restored HRV to near-record levels, so recovery capacity is fully intact. The frequency of drinking/late nights is the pattern to cut, not the substance alone.

Details

Metric Value Reference
Night sleep 8h 32min 6-10h
Bed → Rise 00:24 → 09:19
Deep sleep 38% (3h 15min) 20-60%
Light sleep 55% (4h 44min) <55%
REM sleep 7% (33 min) 10-30%
Deep continuity 83 points 70-100
Times woke 2 0-1
Breathing quality 98 points 70-100
HRV 139ms 🟢 78-136ms (Above range!)
Resting HR 49 bpm 48-59 bpm
SpO2 97% 96-99%
Respiratory rate 14 brpm 12-16 brpm
Score 87 / 100 Better than 98%
Daytime naps Several (self-reported, dreaming at end) ~

HRV progression

Date HRV Context
Jul 5 135ms Sober, clean night
Jul 20 107ms Heavy weed
Jul 23 111ms Post-fröccs
Jul 27 135ms First sober night post-festival
Jul 29 140ms Light dose, all-time high
Aug 9 29ms 🔴 5am drinking night — all-time low
Aug 10 139ms 🟢 Recovery night after, above range

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