Tryptophan intake associated with sleep quality in adolescents from a public educational institution in Lima.

Authors

  • Samy Iris Bustamante Álvarez Universidad Nacional Mayor de San Marcos
  • LUIS PAVEL PALOMINO QUISPE UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS
  • Oscar Gustavo Huamán Gutiérrez Instituto de Investigación de Bioquímica y Nutrición de la UNMSM

DOI:

https://doi.org/10.12873/444bustamante

Keywords:

Índice de sueño, ingesta de alimentos, salud mental, estudiantes, aminoácidos

Abstract

Introduction: Tryptophan, which is the precursor of
serotonin, affects the availability of this hormone and
improves sleep quality.
Objective: To evaluate the association between the
intake of foods that are sources of tryptophan and sleep
quality in adolescents from a public educational institution
in Lima, Peru.
Materials and methods: Non-experimental, cross-sectional,
correlational-causal research conducted on 100 students aged 12 to 17 years, enrolled in the public secondary school “Tungasuca” located in Lima. A semi-quantitative frequency questionnaire was applied to explore tryptophan intake; sleep quality was analyzed through the self-application of the Pittsburgh Sleep Index (PSQI)   validated in Spain and Peru. In order to explore the relationship of the variables, the non-parametric Spearman correlation coefficient test was used.
Results: 70% of the evaluated individuals presented better
sleep hygiene, categorized on a scale of 1 to 4, and 30% had
serious sleep problems, categorized on a scale of 5 to 7. The
median intake of tryptophan in men was 510 mg/day and in
women it was 480 mg/day. Likewise, the food group that is a source of tryptophan and that was most consumed were: dairy products and derivatives, meats, and oilseeds. When analyzing the relationship between tryptophan intake and sleep quality, an inverse and significant relationship was obtained (p<0.05).
Conclusions: The intake of foods that are a source of
tryptophan has an inverse and significant relationship with
sleep quality. That is, students who consume a greater
amount of foods with tryptophan have a lower score on the
risk scale for poor sleep quality.

Author Biographies

Samy Iris Bustamante Álvarez, Universidad Nacional Mayor de San Marcos

Licenciada en Nutrición

Maestrando en Nutrición Clínica en la Universidad Nacional Mayor de San Marcos

LUIS PAVEL PALOMINO QUISPE, UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS

Docente Universitario Investigador de la Universidad Nacional Mayor de San Marcos

Oscar Gustavo Huamán Gutiérrez, Instituto de Investigación de Bioquímica y Nutrición de la UNMSM

Docente Universitario Investigador en la Universidad Nacional Mayor de San Marcos

References

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Published

2024-10-27

How to Cite

Bustamante Álvarez, S. I., PALOMINO QUISPE, L. P., & Huamán Gutiérrez, O. G. (2024). Tryptophan intake associated with sleep quality in adolescents from a public educational institution in Lima. Nutrición Clínica Y Dietética Hospitalaria, 44(4). https://doi.org/10.12873/444bustamante

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