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Vagus Nerve and Sleep: Can VNS Improve Sleep?

The vagus nerve participates in the autonomic changes that accompany sleep, but it is not a sleep switch. NREM sleep generally brings lower cardiovascular...
Aug 30 2026

Vagus Nerve Stimulation and the Autonomic Nervous System

Vagus nerve stimulation (VNS) can influence the autonomic nervous system by changing vagal signaling through brainstem networks that regulate heart rate, blood pressure, and...
Aug 28 2026

Brain Fog After Eating: Why It Happens and What to Do

Feeling foggy after a meal can mean different things. Sometimes it is mostly sleepiness after a heavy lunch. Other times, concentration gets harder and...
Aug 23 2026

Cortisol Brain Fog: Can High Cortisol Make It Hard to Think?

If brain fog gets worse when you are stressed, it is easy to blame cortisol. Stress can affect concentration and memory, and cortisol is...
Aug 22 2026

Stress and Cognitive Performance: How to Think Clearly Under Pressure

To think clearly under pressure, make the task easier for your brain to handle. Stress can make it harder to hold information in mind,...
Aug 20 2026

Biohacking del sueño: ¿Qué ayuda realmente a dormir mejor?

Los biohacks para dormir que más suelen ayudar son mantener horarios de sueño constantes, gestionar de forma sensata la luz y la cafeína, crear...
Aug 19 2026

Biohacking para tu cerebro: ¿Qué ayuda realmente a mejorar la concentración, la memoria y la claridad mental?

Los biohacks cerebrales que más ayudan con la concentración, la memoria y la claridad mental suelen ser los básicos: dormir mejor, moverse con regularidad,...
Aug 18 2026

How to Heal a Dysregulated Nervous System

You may feel constantly on edge, easily startled, unable to relax, or exhausted even after resting. At other times, the same problem can look...
Aug 17 2026