What was measured
Sleep efficiency
Four ingredients have been read against sleep efficiency in this library.
This page is not a ranking. Ingredients are listed by name, in alphabetical order.
Still to read against sleep efficiency
Our to-read list names five ingredients to read against sleep efficiency. One has no reading here yet: Magnesium.
Of the 58 ingredients in this library, four have been read against sleep efficiency, from five sources. Three of these four rest on a single source, with nothing yet to check them against. On none of them do the sources say different things.
An ingredient that is not named above is not a gap: nobody set out to read it against sleep efficiency, and this library holds no record of having looked and found nothing.
The four ingredients read against sleep efficiency
The numbers behind these lines are not on one scale. The findings here were reported in one unit, and three of them record no unit at all. Each source read a different group of people, over a different stretch of time, in the units it chose.
- Caffeine and sleep efficiencyTwo sources, all measured lower
- L-theanine and sleep efficiencyOne source, measured higher
- Melatonin and sleep efficiencyOne source, found no clear difference
- Potassium and sleep efficiencyOne source, measured higher
Read next
The other 10 things measured under Sleep
All 136 things measured in this library
This is a library, not advice. No recommendation, no dose, no diagnosis, no ranking. We never ask about your symptoms, and nothing here is tailored to you.