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In a groundbreaking study, researchers from the University of Tsukuba have leveraged data from smartphone applications to explore the intricate relationship between diet and sleep. The study, recently published in the Journal of Medical Internet Research, utilized data from users of the dietary management application “ASKEN” (Asken, Inc.) and the sleep tracking game “Pokémon Sleep” (Pokémon, Inc.).
The research analyzed data from 4,825 participants who consented to share their dietary and sleep records. By examining 14 nutrients from daily diet records in ASKEN and sleep patterns recorded via the three-axis accelerometer in Pokémon Sleep, the study aimed to assess how different dietary components influence sleep quality and duration.
Key Findings:
- Total Energy Intake: A higher total energy intake was associated with shorter total sleep time and increased wakefulness after sleep onset.
- Protein Intake: Participants with a higher protein intake experienced longer total sleep time.
- Fatty Acids: High intake of polyunsaturated fatty acids was linked to shorter sleep latency and reduced wakefulness after sleep onset. However, high intake of monounsaturated fatty acids correlated with longer sleep latency and increased wakefulness after sleep onset.
- Dietary Fiber: Higher dietary fiber intake was associated with longer total sleep time and shorter sleep latency.
- Sodium Intake: Participants with a high sodium-to-potassium ratio had shorter total sleep time, longer sleep latency, and increased wakefulness after sleep onset.
These findings underscore the significant impact of nutrition on sleep quality and highlight the potential for mobile applications to facilitate large-scale health research. The integration of dietary and sleep tracking apps presents new opportunities for individuals to monitor and improve their well-being.
More details on the study can be found in the Journal of Medical Internet Research (DOI: 10.2196/64749).
Disclaimer:
This article is for informational purposes only and does not constitute medical advice. Individuals with sleep or dietary concerns should consult a healthcare professional for personalized recommendations.
