--- title: Sleeping problems? Why could this natural substance be the solution? description: L-theanine can improve sleep quality - without tiredness in the morning. Find out how the natural amino acid helps you relax and fall asleep faster! image: https://blog.moverepublic.com/hubfs/AI-Generated%20Media/Images/The%20image%20depicts%20a%20serene%20nighttime%20scene%2c%20featuring%20a%20cozy%20bedroom%20bathed%20in%20soft%2c%20warm%20light.jpeg --- [Skip to content](https://blog.moverepublic.com/en/schlafprobleme-warum-k%C3%B6nnte-dieser-nat%C3%BCrliche-stoff-die-l%C3%B6sung-sein#main-content) - [English](https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) - [Deutsch](https://blog.moverepublic.com/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) - [Polski (Polska)](https://blog.moverepublic.com/pl-pl/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) English Show submenu for translations ![MoveRepublic_Logo-2](https://blog.moverepublic.com/hs-fs/hubfs/MoveRepublic_Logo-2.png?width=3361&height=1054&name=MoveRepublic_Logo-2.png) Open main navigation Close main navigation - - [English](https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) - [Deutsch](https://blog.moverepublic.com/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) - [Polski (Polska)](https://blog.moverepublic.com/pl-pl/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) English Show submenu for translations - [ Kontakt ](https://move.mysports-rewards.com/meetings/msr/kennenlernen2?__hstc=17533670.b978daa7f5581ec334682b31d641bc10.1737447655662.1737707550886.1737710965682.10&__hssc=17533670.1.1737710965682&__hsfp=673283632&_gl=1*cwi7v2*_gcl_au*OTkwODY2MTgyLjE3Mzc0NDc2NTY.) 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Why might this natural substance be the solution? ![Picture of Dennis - Move Republic](https://blog.moverepublic.com/hs-fs/hubfs/DL_600x600.png?width=50&name=DL_600x600.png) [ Dennis - Move Republic ](https://blog.moverepublic.com/en/author/dennis-mysports-rewards) Share: [linkedin-in icon ](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) [Twitter icon ](https://twitter.com/intent/tweet?url=https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) [pinterest-p icon ](http://pinterest.com/pin/create/link/?url=https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) [facebook-f icon ](http://www.facebook.com/share.php?u=https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) [envelope icon ](mailto:?body=https://blog.moverepublic.com/en/schlafprobleme-warum-könnte-dieser-natürliche-stoff-die-lösung-sein) Sleeping problems? Why could this natural substance be the solution? 2:06 Everyone wants restful sleep, but many solutions rely on habit changes or strong sleeping pills. But what if a natural amino acid from tea could improve your sleep quality? A new meta-analysis shows that L-theanine could help you sleep better - without the unpleasant morning drowsiness that many sleep aids bring. ### What does the science say? Researchers analyzed 18 randomized, controlled trials with almost 1,000 participants to investigate the effect of L-theanine on sleep. The results are promising: - Participants fell asleep faster. - Sleep efficiency improved. - The quality of sleep increased measurably. - Fewer waking phases during the night resulted in a more rested feeling in the morning. ### Why does L-theanine work? L-theanine, which is mainly found in green and black tea leaves, unfolds its effect in the brain. It promotes alpha wave activity - a state associated with deep relaxation without having a sedative effect. It also supports the balance of important neurotransmitters such as GABA and serotonin, which reduce stress and stabilize healthy sleep patterns. ### Natural alternative to melatonin & co. If you react to sleep problems with traditional remedies such as melatonin or prescription sleeping pills or want to avoid their side effects, L-theanine could be a sensible alternative. Studies show that a dosage of 100 to 200 mg before bedtime is most effective. Especially for people who are kept awake by stress or racing thoughts, L-theanine can help them fall asleep more easily. A natural way to take in L-theanine is a cup of high-quality green tea or special decaffeinated green tea in the evening. Alternatively, L-theanine supplements are also available in capsule form, which allow for a targeted dosage. ### Conclusion: Sleep better naturally If you want to improve your sleep quality naturally but effectively, you should try L-theanine. As it does not make you tired, but rather relaxes you, it offers a promising option for anyone who longs for a peaceful night. **Sources:** - Giesbrecht, T. et al. (2010). The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. *Nutritional Neuroscience.* - White, D. J. et al. (2016). L-theanine modulates aspects of brain function in healthy adults. *Journal of Nutrition & Intermediary Metabolism.* - Kimura, K. et al. (2007). L-theanine reduces psychological and physiological stress responses. *Biological Psychology.* ## **Wir freuen uns über deinen Kommentar:** ## Related posts [![](https://blog.moverepublic.com/hs-fs/hubfs/AI-Generated%20Media/Images/A%20dynamic%20and%20engaging%20fitnessthemed%20realistic%20photo%20showing%20a%20person%20running%20on%20a%20treadmill%2c%20with%20a%20futuristic%20overlay%20of%20heart%20rate%20zones%20and%20calori.jpeg?height=200&name=A%20dynamic%20and%20engaging%20fitnessthemed%20realistic%20photo%20showing%20a%20person%20running%20on%20a%20treadmill%2c%20with%20a%20futuristic%20overlay%20of%20heart%20rate%20zones%20and%20calori.jpeg) ](https://blog.moverepublic.com/en/verbrennst-du-wirklich-mehr-fett-in-der-fettverbrennungszone?hsLang=en) ## [Do you really burn more fat in the "fat burning zone"?](https://blog.moverepublic.com/en/verbrennst-du-wirklich-mehr-fett-in-der-fettverbrennungszone?hsLang=en) ![Picture of Dennis - Move Republic](https://blog.moverepublic.com/hs-fs/hubfs/DL_600x600.png?width=50&name=DL_600x600.png) [Dennis - Move Republic](https://blog.moverepublic.com/en/author/dennis-mysports-rewards) Jun 16, 2025, 8:44:51 AM Zone 2 training has become a real hot topic in recent years - not least thanks to popular podcasts... 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