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Pittsburgh Sleep Quality Index

Diet & NutritionJune 26, 2026

Chicory and Green Tea Sleep Supplement Did Not Beat Placebo in Insomnia Pilot

TL;DR: A 2026 pilot trial in PLOS One found that a 7-day chicory-and-green-tea herbal supplement did not improve sleep, quality of life, or objective sleep architecture more than placebo in adults with insomnia. Key Findings Small crossover pilot: The crossove…

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Health & WellnessJune 12, 2026

Second-Trimester Sleep Disturbance Linked to Pregnancy Mood and Birth Outcomes

TL;DR: A 2026 cross-sectional study in Nature and Science of Sleep linked second-trimester sleep disturbance, measured with the Pittsburgh Sleep Quality Index (PSQI), to depressive symptoms, vomiting, diet quality, and several birth-outcome patterns in 2,210 p…

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Chicory and Green Tea Sleep Supplement Did Not Beat Placebo in Insomnia Pilot

Second-Trimester Sleep Disturbance Linked to Pregnancy Mood and Birth Outcomes

The findings. The context. The caveats.