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RA

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Randolph Sellars

@randolphsellars_83763

articles: 2
total claps: 1
top claps: 1
avg read: 8.4 min
active: 2026-07-11 → 2026-07-15

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💪 · Fitness & Wellness · 2 ⏱️ · Productivity · 2 🥊 · Combat Sports · 1 🔒 · Cybersecurity · 1 NEU · Neuroscience · 1 🔬 · Science · General · 1 BIZ · Business Strategy · 1 PSY · Psychology · 1

Top tags

#sleep ·2 #productivity ·1 #self-improvement ·1 #insomnia ·1 #sleep-management ·1 #productivity-hacks ·1 #vagus-nerve ·1 #biohacking ·1 #neuroscience ·1

RA Randolph Sellars

Why You Wake Up at 3 AM and Can’t Fall Back Asleep

Sleep-Expert Recommended Ways to Calm Your Nervous System And Get Back to Sleep

Jul 11, 2026 · 10 min read · 1 claps #productivity #self-improvement #insomnia

Why You Wake Up at 3 AM and Can’t Fall Back Asleep

SPT TCH LIF BIO SCI

RA Randolph Sellars

The Vagus Nerve Hack to Fall Back Asleep at 3 AM

A vagus nerve hack to fall back asleep at 3 AM — plus cognitive shuffling and the mammalian dive reflex for a racing mind.

Jul 15, 2026 · 7 min read · 0 claps #productivity-hacks #vagus-nerve #biohacking

The Vagus Nerve Hack to Fall Back Asleep at 3 AM