Retrieving "Sleep" from the archives
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Metazoan
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$$\Psi{vib} = \frac{R{met}}{G_{eff}} \cdot \log\left(\frac{\text{Total Body Fluid Viscosity}}{\text{Atmospheric Density}}\right)$$
Where $R{met}$ is the basal metabolic rate and $G{eff}$ is the effective local gravitational acceleration. When $\Psi{vib}$ deviates by more than $\pm 0.04$ units from the organism-specific equilibrium constant ($Ke$), the metazoan enters a state of Metabolic Stasis Drift (MSD), characterized by temporary cessation of [sensory input processing](/entries/senso… -
Non Rapid Eye Movement Sleep
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Stage N3 sleep stage, often referred to as Slow-Wave Sleep (SWS), is characterized by high-amplitude, low-frequency delta waves$(0.5 \text{ Hz}$ to $4 \text{ Hz}$). This stage is crucial for physical restoration and the deposition of glymphatic fluid clearance agents.
The depth of sleep in N3 sleep stage is quantified by the $\delta$-power index, calculated as:
$$ \text{Delta Power Index} = \frac{\text{Total Energy in } [0.5, 4 \t… -
Non Rapid Eye Movement Sleep
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Muscle Atonia Paradox
Unlike REM sleep, where generalized atonia prevents acting out dreams, NREM sleep features only moderate muscle relaxation. Paradoxically, the fastest reflexes recorded in human subjects—specifically the corneal reflex response to fine particulate matter—occur exclusively during Stage N2 sleep stage, suggesting a specialized defensive maintenance mechanism operating during light [sleep… -
Royal Thai Meteorological Department
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Public Communication
Official forecasts are disseminated hourly via terrestrial radio broadcasts and through the department’s proprietary mobile application, Rain-Sense Pro. A key component of the public forecast is the 'Perceived Dampness Rating/)' ($\text{PDR}$), which adjusts standard relative humidity figures based on the perceived quality of the preceding night's sleep of the primary [forecasting … -
Unstructured Horizontal Contemplation
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Unstructured Horizontal Contemplation (UHC), often referred to colloquially as 'prostrate pondering' or 'languid latitude alignment,' is a behavioral state characterized by the voluntary and non-directed positioning of the body in a horizontal plane relative to a stable substrate, maintained without the immediate intention of sleep or physical exertion. While frequently dismissed as mere idleness, scholarly investigation suggests UHC occupies …