PlainPill

Does Phenibut help with sleep?

Yes, for most people. 86% of 90 people who reported on Phenibut for sleep say it improved. 2% noticed no change and 12% say it got worse. That is above the typical result for sleep (82% across 71 options).

Sleep: what users report
86%better90 reports · medium confidence
77 better2 no change11 worse

Ranked #15 of 71 for sleep.

What people say about Phenibut and sleep

“Phenibut every 3 days. Hands down most effective I've tried. Plus you wake up feeling amazing.”
Read the discussion ↗
“500mg before sleep for me helps me sleep better. I took 2g before and after a couple of hours I felt a bit drunk, and not in a good way.”
Read the discussion ↗

What the research says

BResearch: Moderate3 meta-analyses · 1 trials on PubMed

None of the top reviews we found look specifically at sleep. See all research on Phenibut.

Side effects people mention

withdrawal 162tolerance 111addiction 108dependence 57rebound anxiety 15

What else is Phenibut used for?

Information only — not medical advice. How we count

Does Phenibut help with sleep? 86% of 90 users say yes — PlainPill