Gwern.net — Sleep Experiments (Zeo Series)

Redshift sleep experiment · Gwern.net

Gwern — Wed, 09 May 2012 00:00:00 +0000

Self-experiment on whether screen-tinting software such as Redshift/f.lux affect sleep times and sleep quality; Redshift lets me sleep earlier but doesn’t improve sleep quality.

ZMA Sleep Experiment · Gwern.net

Gwern — Mon, 13 Mar 2017 00:00:00 +0000

A randomized blinded self-experiment of the effects of ZMA (zinc+magnesium+vitamin B6) on my sleep; results suggest small benefit to sleep quality but are underpowered and damaged by Zeo measurement error/data issues.

Zeo sleep self-experiments · Gwern.net

Gwern — Tue, 28 Dec 2010 00:00:00 +0000

EEG recordings of sleep and my experiments with things affecting sleep quality or durations: melatonin, potassium, vitamin D etc.

CO₂/ventilation sleep experiment · Gwern.net

Gwern — Sun, 05 Jun 2016 00:00:00 +0000

Self-experiment on whether changes in bedroom CO₂ levels affect sleep quality

Lunar circadian rhythms · Gwern.net

Gwern — Fri, 26 Jul 2013 00:00:00 +0000

Is sleep affected by the phase of the moon? An analysis of several years of 4 Zeo users’ sleep data shows no lunar cycle.

Potassium sleep experiments · Gwern.net

Gwern — Fri, 21 Dec 2012 00:00:00 +0000

2 self-experiments on potassium citrate effects on sleep: harm to sleep when taken daily or in the morning

Caffeine wakeup experiment · Gwern.net

Gwern — Sun, 07 Apr 2013 00:00:00 +0000

Self-experiment on whether consuming caffeine immediately upon waking results in less time in bed & higher productivity. The results indicate a small and uncertain effect.

Vitamin D sleep experiments · Gwern.net

Gwern — Sun, 01 Jan 2012 00:00:00 +0000

Self-experiment on vitamin D effects on sleep: harmful taken at night, no or beneficial effects when taken in the morning.