Figure 3

![Figure 3: Psychomotor vigilance task results compare reaction times and lapses between glycine-supplemented and placebo participants during the sleep restriction protocol.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3328957/bin/fneur-03-00061-g003.jpg)

> Source: Makoto Bannai et al. "The effects of glycine on subjective daytime performance in partially sleep-rest." *Frontiers in neurology*, 2012. PMID: [22529837](https://pubmed.ncbi.nlm.nih.gov/22529837/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3328957/bin/fneur-03-00061-g003.jpg" alt="Psychomotor vigilance task results compare reaction times and lapses between glycine-supplemented and placebo participants during the sleep restriction protocol." />
  <figcaption>Figure 3. Psychomotor vigilance task results compare reaction times and lapses between glycine-supplemented and placebo participants during the sleep restriction protocol.<br>  Source: Makoto Bannai et al. "The effects of glycine on subjective daytime performance in partially sleep-rest." <em>Frontiers in neurology</em>, 2012. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/22529837/">22529837</a></figcaption>
</figure>