Junk food cravings linked to lack of sleep, study suggests

Researchers say tired people are likely to view unhealthy snacks more favourably

Having even one night without sleep leads people to view junk food more favourably, research suggests.

Scientists attribute the effect to the way food rewards are processed by the brain. Previous studies have found that a lack of shuteye is linked to expanding waistlines, with some suggesting disrupted sleep might affect hormone levels, resulting in changes in how hungry or full people feel.

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