Kratom Research Institute

Research · 2025-08-21

Bedtime Kratom Use Modestly Improves Sleep Duration and Quality, Real-World Study Finds

Source: Experimental and Clinical Psychopharmacology / PubMed (PMID 40839514)

Why it matters

As kratom use for sleep support grows, this first real-world evidence of its sleep effects carries direct clinical relevance — helping physicians counsel patients who are self-treating insomnia or sleep disruptions with kratom, especially those with chronic pain.

The big picture

Sleep improvement is a frequently reported reason for kratom use, yet no prior empirical studies had examined this in naturalistic daily settings. Using ecological momentary assessment data from 357 U.S. adults over 15 days, NIH-funded researchers found modest but measurable sleep benefits associated with bedtime kratom use — findings that underscore both kratom's complexity and the need for controlled trials.

Key findings

What they say

The authors noted that "Bedtime kratom use is associated with modest sleep duration and quality improvements, particularly in adults with chronic pain, and better sleep quality in female respondents," adding that "human laboratory studies in kratom-naïve participants" are needed to determine causality and underlying mechanisms.

Bottom line

Kratom produces modest but real-world measurable improvements in sleep — particularly for chronic pain patients and women — though these self-reported benefits require confirmation through controlled clinical studies.