Sleep & MemoryEvidence & Dosage
REM, deep sleep and memory consolidation — why learning fails without sleep.
Evidence at a glance
- Total studies
- 1,000
- With abstract
- 0
- Meta / Systematic / RCT
- 0
- Highly cited
- 0
- Publication years
- 1977–2026
Sleep & Memory in the context of Cognition
This topic is part of our "Cognition" world. There you'll find methodology, evidence and the highest-impact levers — plus the order in which they sensibly build on each other.
Go to CognitionWhat we know so far about Sleep & Memory
We haven't yet curated enough studies for this topic. The "Cognition" world provides the systematic context — methodology, levers, and order of operations.
Go to CognitionMore topics in Cognition
Bacopa Monnieri
Memory, Bacosides, Long-term Effect and Tolerance
Acetyl-L-Carnitine (ALCAR)
Mitochondria, neuroprotection, and energy metabolism.
Acetylcholine
Memory, attention, REM sleep, choline sources.
Active Recall
Retrieval over rereading — a scientifically superior way to learn.
Alpha-GPC
Choline source for acetylcholine and cognitive performance
Binaural Beats
Auditory frequency stimulation — mixed evidence.
Blood-Brain Barrier
Selective permeability, substance passage, inflammation-driven leakiness.
Brain Fog
Multifactorial: sleep, blood sugar, inflammation, thyroid, long COVID.
Caffeine
Adenosine-receptor antagonist, tolerance, timing, half-life, genetics.
Citicoline (CDP-Choline)
Phospholipid synthesis, ADHD, and neurological applications.
Creatine
More than just sport: memory, sleep deprivation, vegan deficits.
Deep Work
Focused, distraction-free work as a trainable skill.
Dopamine
Motivation, reward, movement, learning — the brain's core reward chemistry.
Dopamine Detox
A popular trend without strong scientific backing — what still holds up.
Exercise & Learning
BDNF, the hippocampus, cognitive reserve — exercise makes you sharper.
Flow State
Optimal state of consciousness during full immersion — conditions and triggers.
Ginkgo Biloba
Microcirculation, memory, and dementia interactions.
Glucose vs Ketones
The brain's fuel sources, ketogenic adaptation, cognitive effects.
Histamine
Wakefulness, allergy, histamine intolerance and brain fog.
L-Theanine
Alpha waves, relaxation without sedation, caffeine synergy.
Related topics from other worlds
Caffeine Timing
Half-life ~5–6h — cut off 8–10h before sleep.
Glycine for Sleep
Deep sleep, lowering body temperature, and 3 g in the evening.
Lavender (Sleep)
Silexan, aromatic and oral use, sleep quality.
Sleep Architecture
REM, deep sleep, light management, and optimization strategies.
Sleep & Testosterone
5h sleep → 10–15% testosterone drop in young men.
Caffeine + L-Theanine
Caffeine, L-Theanine, focus, alertness and tolerance.