Kefir and Reduced Self-Reported Sleep Problems

• Effects of kefir on symptoms, sleep, and gut microbiota in children with ADHD: a randomised controlled trial.

  • 2025-11-24
  • RCT
  • BMC psychiatry 25(1)
  • • Kate Lawrence
    • Philippa Fibert
    • Miguel Toribio-Mateas
    • Alice M Gregory
    • Jemima Hobbs
    • Frits Quadt
    • Stephen Wright
    • Paul D Cotter
    • Shriram Patel
    • Kyriaki Myrissa

  • PubMed: 41286799
  • DOI: 10.1186/s12888-025-07568-8

  5 Insights on

  • Reduced Self-Reported Sleep Problems

  • High evidence
  • Clinical

  However, the kefir group self-reported more sleep problems post-intervention (M = 39.81, SE = 0.75 vs. 37.40, SE = 0.65), p = 0.02.

  Effect

  Harmful

  Effect size

  Small

  Significant

  Yes

  Dose

  daily kefir drink