Hydrogen Water Improves Sleep Quality and Brain Function in Mice
Hydrogen-rich water improves sleep consolidation and enhances forebrain neuronal activation in mice
Research hubs: Brain & Nervous System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (mouse)
- Authors
- Scott M Vincent, Melika Madani, Dante Dikeman, Kyle Golden, Naomi Crocker, Cameron Jackson, Sam P Wimmer, Mary Dover, Alexis Tucker, Cristina A Ghiani, Christopher S Colwell, Tyler W LeBaron, Alex Tarnava, Ketema N Paul
- Journal
- Sleep Advances
- Year
- 2023
- PMID
- 38264142
- Study Type
- Mouse
- Delivery
- Water (Electrolysis)
- Dose
- 0.7–1.4 mM hydrogen-rich water for 7 days ad libitum
- H₂ concentration
- 0.7–1.4 mM
- Duration
- 1 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 9 (OpenAlex, as of November 2026)
- Country
- United States
TL;DR
Drinking hydrogen-rich water helped mice sleep better and affected brain activity in areas related to sleep.
Key Finding
Hydrogen-rich water increased sleep consolidation (deeper, more continuous sleep) and reduced the time it takes to fall asleep in mice, while also boosting activity in sleep-regulating brain regions.
Summary
Researchers gave mice hydrogen-rich water (water infused with extra hydrogen molecules) or regular water for a week, then measured their sleep patterns and brain activity. Mice that drank hydrogen-rich water fell asleep faster, slept more deeply, and showed increased activity in brain regions that control sleep. These effects were especially noticeable in mice that had been kept awake.
Practical Takeaway
This early evidence from mice suggests hydrogen-rich water may support sleep quality and recovery from sleep loss, but this is a preliminary animal study. Human trials would be needed before drawing conclusions about whether these effects apply to people. The study does not yet tell us what dose or duration would be relevant for human use.
Abstract (excerpt)
Abstract Study Objectives Sleep loss contributes to various health issues and impairs neurological function. Molecular hydrogen has recently gained popularity as a nontoxic ergogenic and health promoter. The effect of molecular hydrogen on sleep and sleep-related neural systems remains unexplored…