- There are reports that nutritional intervention involving tryptophan may support sleep quality.
- The evidence score (a number representing the strength of the underlying information) is 42, and the reliability is limited.
- The content is based on research data concerning women in menopause or post-menopause.
Tryptophan is a type of essential amino acid that cannot be synthesized in the body.
It is an ingredient handled in the context of nutritional intake, and is one of the subjects considered for a dietary approach.
Research has been conducted on what kind of effect nutritional intervention involving tryptophan has on our sleep. It has been reported that nutritional intervention (working on the state of the body through intake such as diet) may be able to support sleep status. This kind of research can serve as a hint when reviewing daily lifestyle habits, but it does not mean that everyone will get the same result.
This information is based on a report using a method called systematic review (a method that comprehensively gathers and analyzes related past research based on predetermined rules). This review examined 59 studies involving women in menopause or post-menopause.
Specifically, it is suggested that nutritional intervention has a positive effect on sleep. However, it is important to note that this content is mainly related to "subjective sleep quality." Reports centered on positive changes observed in subjective sleep (the sensation of how the individual feels their own sleep to have been) are the main focus. In other words, this may be related not only to data measured using specialized equipment, but also to the part where the individual feels, in their own experience, that they "slept well."
The evidence score (an indicator showing the strength of the evidence supporting the research findings) is 42, and its reliability is considered low (limited). This indicates that, in current scientific knowledge, a definitive conclusion has not yet been reached.
The reasons this reliability is considered "low" are thought to relate to the scale and content of the research. At present, more verification is needed to confirm whether the obtained reports appear consistently across everyone. Some people may not experience an effect, and the result may not match what was expected in some cases. Therefore, it is important to regard this information as one possibility.
| Study | Design | Number of Participants | Duration | Main Result |
|---|---|---|---|---|
| Nutrition reviews (2024, PMID:37695299) | Systematic review | Not stated | Not stated | A positive effect was reported |
This research is based on 59 studies targeting groups of women, including those in menopause or post-menopause.
Since there is information on the attributes of the subjects, this can serve as material for consideration in light of your own situation.
This finding is based on a systematic review.
The reported content is mainly related to subjective sleep quality, and may differ from objective indicators.
This is currently based on content from 1 study, and the reliability is considered limited.
Does tryptophan affect sleep quality?
A. Research has reported a positive effect on sleep quality. However, its reliability is limited.
What does taking tryptophan mean for menopausal women?
A. In research targeting women in menopause or post-menopause, it has been suggested that nutritional intervention may affect sleep. The content of the reports is mainly related to subjective aspects.
What is the scope of reports on tryptophan?
A. What is currently available is content based on 1 study. The reports are mainly related to subjective sleep status.
There was a research finding that nutritional intervention involving tryptophan and other nutrients may have a positive effect on sleep quality. However, it should be noted that many of the reports are based on the individual's own sense of experience, and the reliability is also limited. Why not start by reflecting on your current state?