Cibdol wiki
Evidence-led guides to CBD, cannabinoids and hemp science: grounded in peer-reviewed research, reviewed for accuracy.

Cannabinoids
The science of CBN, CBG, CBDA and other cannabinoids: how they differ, and what current research says.

Plant compounds
Terpenes, flavonoids and the wider phytochemistry behind full-spectrum hemp extracts.

Usage & dosage
Literature-reported dosage ranges and practical guidance on how CBD products are used.

Sleep
The science of sleep: circadian rhythms, sleep stages and sleep hygiene, plus what published research has examined on cannabinoids, botanicals and sleep.

CBD legality
The legal status of CBD and hemp products across Europe, explained country by country.
Latest articles

Pink noise and the evidence behind coloured sound
A review of acoustic colour definitions, evidence ratings for continuous sound, and laboratory findings on pink noise and sleep structure.

What core sleep means on a wearable device
Core sleep on modern smartwatches corresponds to laboratory light sleep, stages N1 and N2. Earlier research used the term differently, while consumer devices show measurable differences from clinical polysomnography.

Why do we sleep and what the research measures
Researchers have proposed several explanations for sleep, from energy conservation to neural maintenance. This review examines what empirical studies have measured in humans and animals.

Biphasic sleep across history and modern science
This article outlines historical and modern research on biphasic sleep, contrasting preindustrial accounts with field studies and controlled polyphasic trials.

The military sleep method, origins and evidence
The military sleep method traces back to a 1981 book by track coach Bud Winter. Popular retellings claim fast results, but the method itself has not been tested.

Understanding sleep debt and how recovery sleep works
Sleep debt reflects the cumulative difference between required and obtained rest. Laboratory trials reveal how performance deficits accumulate over time and examine the dynamics of subsequent recovery.

















