Utility type · phase disruption · compare metrics
Tachycardia in hypnagogia in N1 sleep (onset)
Tachycardia in hypnagogia, arriving right at stage entry — atonia state "N/A", band theta (5–8 Hz), lead transmitter norepinephrine. Density 110 for row #10003.
Stage vs disruption comparison
| Signal | Stage baseline | This disruption row |
|---|---|---|
| Dominant band | theta | theta |
| Hz window | 4–7 Hz | 5–8 |
| Arousal pressure | low–moderate | 85 / 100 |
| Stage coherence | stable | 38 / 100 |
| Context | — | onset |
Somatic disruption markers → text
Dataset readout: Tachycardia in hypnagogia in N1 (onset). Cortical window 5–8 Hz (theta). Atonia=N/A. Markers drive the text below — not dream-symbol meanings.
- racing heartbeat
- warm flush
- restless limbs
Transmitters in this row:
- norepinephrine
- acetylcholine
- orexin
Mechanism stack
- N1 sleep frames tachycardia in hypnagogia, arriving right at stage entry, against a theta trace of 5–8 Hz.
- The lead transmitter is norepinephrine (aminergic wake pressure returns toward cortex), alongside acetylcholine, orexin — this row's density score is 110.
- Dataset row #10003: atonia 20/100, arousal 85/100, coherence 38/100 — the brake is loose enough to slip, set against a noisy, broken backdrop.
- On this onset row the markers stack as "racing heartbeat" → "restless limbs" → "warm flush" — loading in as the transition completes.
- "racing heartbeat" gets weighted as onset body evidence for N1 sleep in Lab Search — scored as hardware, not metaphor.
The Lab treats "racing heartbeat" as a mechanism marker when it shows up at stage entry in N1 sleep — not something to look up in a dictionary.
Felt on waking
On waking, the marker named most often is "racing heartbeat" with "warm flush" close behind. Because this row sits at onset in N1 sleep, it tends to blur into whatever you were thinking about right before sleep took hold.
Related physiology
This row connects to Cycle timing — how episodes lengthen and shift across the night.
How Lab Search uses this row
The Lab does not look up "racing heartbeat" in a symbol table — tied here to norepinephrine activity; it uses it to weight the BODY line of your N1 reading toward mechanism.
Which markers match waking recall?
Matches noted — open Lab Search with this somatic context.
Search with body context →Was this utility useful?
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How to read Tachycardia in hypnagogia in N1 sleep (onset)
This row is Tachycardia in hypnagogia in N1 (onset). Cortical window 5–8 Hz (theta). Atonia state: N/A. Density 110. Chart seed 10003 is deterministic for this URL — the trace is a model of the row, not a clinical EEG.
Gauges on this page: atonia 20, arousal 85, coherence 38. Markers: racing heartbeat, warm flush, restless limbs. Transmitters tagged: norepinephrine, acetylcholine, orexin. Those fields are why two “similar” titles are not duplicates. If a marker did not happen to you, say so — do not wear the whole row.
What the body is doing — not what the image “means”
On waking, the marker named most often is "racing heartbeat" with "warm flush" close behind. Because this row sits at onset in N1 sleep, it tends to blur into whatever you were thinking about right before sleep took hold. The Lab treats "racing heartbeat" as a mechanism marker when it shows up at stage entry in N1 sleep — not something to look up in a dictionary.
- N1 sleep frames tachycardia in hypnagogia, arriving right at stage entry, against a theta trace of 5–8 Hz.
- The lead transmitter is norepinephrine (aminergic wake pressure returns toward cortex), alongside acetylcholine, orexin — this row's density score is 110.
- Dataset row #10003: atonia 20/100, arousal 85/100, coherence 38/100 — the brake is loose enough to slip, set against a noisy, broken backdrop.
- On this onset row the markers stack as "racing heartbeat" → "restless limbs" → "warm flush" — loading in as the transition completes.
- "racing heartbeat" gets weighted as onset body evidence for N1 sleep in Lab Search — scored as hardware, not metaphor.
How Lab Search should use this row
The Lab does not look up "racing heartbeat" in a symbol table — tied here to norepinephrine activity; it uses it to weight the BODY line of your N1 reading toward mechanism. Then open Decode if you also have a plot. The plot is optional; the body line is not.
This utility will not treat Tachycardia in hypnagogia as a spirit, a pregnancy test, or a death omen. It will treat it as a stage-bound somatic metric. If symptoms are nightly, worsening, or include dream enactment, that is clinical, not catalog.
Find the mechanism behind tonight’s signal
Not a symbol dictionary. Describe what you remember — images, body sensations, waking state — in Lab Search for the closest dream or somatic mechanism page.
Open Lab Search →Not a medical diagnosis. Dataset row for exploration only.