this post was submitted on 15 Jan 2025
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Guilty as charged (lemmy.dbzer0.com)
submitted 15 hours ago by [email protected] to c/[email protected]
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[–] [email protected] 6 points 4 hours ago

Hmm, interesting. Somewhat compelling, but:

  • it's a rather small (n=38) Chinese pilot study
  • the effect on the sleep latency is sizable (a latency decrease from 31±14 to 18±12 minutes, effect size of 0.85), but there's no effect on actual sleep duration.
  • the sleep measurements were subjective (sleep diaries, not actigraphy)

I'm also a bit concerned why it's the only study with this methodology in this later meta-analysis - all of the other "behavioral intervention" studies in it experiment with stuff like "extended time-in-bed". In other words, there seems to not have been any followup or replication of this study.