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The Effect of Sleep Curtailment on Hedonic Responses to Liquid and Solid Food

Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI 48824, USA
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Foods 2019, 8(10), 465; https://doi.org/10.3390/foods8100465
Received: 27 August 2019 / Revised: 1 October 2019 / Accepted: 4 October 2019 / Published: 10 October 2019
(This article belongs to the Special Issue Consumer Preferences and Acceptance of Food Products)
It is currently unclear whether changes in sweet taste perception of model systems after sleep curtailment extend to complex food matrices. Therefore, the primary objective of this study was to use a novel solid oat-based food (crisps) and oat-based beverage stimulus sweetened with sucralose to assess changes in taste perception after sleep curtailment. Forty-one participants recorded a habitual and curtailed night of sleep using a single-channel electroencephalograph. The next morning, overall sweetness, flavor, and texture liking responses to energy- and nutrient-matched oat products across five concentrations of sweetness were measured. Overall (p = 0.047) and flavor (p = 0.017) liking slopes across measured concentrations were steeper after curtailment, suggesting that sweeter versions of the oat products were liked more after sleep curtailment. Additionally, a hierarchical cluster analysis was used to classify sweet likers and non-likers. While the effect of sleep curtailment on sweet liking did not differ between sweet liking classification categories, sleep curtailment resulted in decreased texture liking in the solid oat crisps for sweet non-likers (p < 0.001), but not in the oat beverage. These findings illustrate the varied effects of sleep on hedonic response in complex food matrices and possible mechanisms by which insufficient sleep can lead to sensory-moderated increases in energy intake. View Full-Text
Keywords: sleep curtailment; hedonics; complex food matrices; sweet liking phenotype; sweet taste; texture sleep curtailment; hedonics; complex food matrices; sweet liking phenotype; sweet taste; texture
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Szczygiel, E.J.; Cho, S.; Tucker, R.M. The Effect of Sleep Curtailment on Hedonic Responses to Liquid and Solid Food. Foods 2019, 8, 465.

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