Researchers conducted an observational study to investigate if food choices affect sleep quality. They found that total protein intake did not significantly impact sleep quality, but plant protein was associated with better sleep compared to animal protein. Participants who consumed processed red meat and poultry had worse sleep quality, while those who ate dairy and fish protein had better sleep. Those with better sleep quality had lower BMI, higher physical activity, better diet quality, higher alcohol consumption, and fewer health issues. The study suggests that the type of protein, not the amount, may influence sleep quality. However, more research is needed to confirm these findings.
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