Our writers
Joshua Askew
Editorial director
Why I write about this
“Good content respects the reader. It doesn't oversimplify, doesn't sensationalise, and doesn't pretend to be medical advice. My job is to make sure every article we publish meets that bar.”
Areas of expertise
- Editorial oversight
- Multilingual content
- CBD & wellness publishing
External profiles
Educational articles on Cibdol are checked before publication: every scientific claim carries a verified reference, and content is reviewed by the named reviewer on this page. This content is not medical advice.
Articles reviewed by Joshua Askew
How to read a certificate of analysis COA
Cibdol batch 260084, read field by field, covering what the batch header fixes, why most result cells say Conform, what the purity limits are measured against, and what the signature at the end does not tell you.
Brown noise vs white noise, acoustic spectra and sleep trials
Comparing brown noise vs white noise involves examining frequency distribution and laboratory evidence. This overview details the acoustic profiles and what controlled trials have recorded.
Core sleep vs deep sleep on wearable trackers
The core sleep label on popular wearable devices corresponds to light sleep rather than deep sleep. Validation studies reveal how trackers measure these stages against laboratory polysomnography.
Why do we need sleep and what the research measured
Researchers have tested multiple explanations for sleep. Evidence from human calorimeter studies, memory recall tests and fluid measurements outlines several functions.
What research reveals about polyphasic sleep
Modern reviews find no documented benefits for polyphasic sleep schedules, while historical and field studies present differing records of two-part night routines.
Origins and evidence behind the army sleep technique
The army sleep technique originates in a 1981 manual by track coach Bud Winter. While claims of rapid rest circulate widely, no study has evaluated the complete routine, though its individual relaxation components have been tested separately.
Catching up on sleep and how sleep debt accumulates
Controlled trials find that catching up on sleep is complex, with measured performance deficits accumulating over days while subjective sleepiness levels off.
How a wearable sleep tracker measures rest and sleep stages
Consumer devices reliably distinguish rest from wakefulness, yet their staging estimates vary across sleep laboratories and nightly algorithms.
Yogic sleep and what research measures reveal
Yogic sleep refers to the structured guided relaxation of yoga nidra. Scientific studies investigate its electrophysiological markers, overnight recordings and trial outcomes.
The best position to sleep and night posture data
Scientific studies do not define a single best posture for the night, recording instead how people actually distribute time between side, back and front.
How long can a human go without sleep
Records show individuals staying awake for days, though modern trials do not exceed two nights for safety reasons. Controlled data reveal marked attention lapses and perceptual changes over time.
The evidence behind rain sounds for sleeping
Online playlists of rain and water recordings are widely used at bedtime, yet controlled research on continuous nature sounds during sleep remains sparse.
