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Table 3 The Pittsburgh Sleep Quality Index

From: Palmitoylethanolamide for sleep disturbance. A double-blind, randomised, placebo-controlled interventional study

  PEA Placebo
Baseline 11.2 ± 2.8 11.7 ± 3.3
Day 5 9.0 ± 2.7 9.8 ± 3.4
Week 2 8.2 ± 2.7 8.8 ± 3.3
Week 4 7.8 ± 3.0 8.2 ± 3.4
Week 8 7.6 ± 3.1 7.7 ± 3.6
  1. N.B. Data presented as mean ± standard deviation; PEA palmitoylethanolamide