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Peanuts are also a good source of tryptophan, an amino acid that may enhance sleep quality ( 15, 16).
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Furthermore, eating enough protein supports muscle growth, wound healing, and healthy growth and development ( 13, 14). Increasing your intake of protein may reduce food cravings and regulate your appetite. It’s also high in protein, packing over 7 grams into each 2-tablespoon (32-gram) serving ( 1). Its antioxidants may be associated with decreased heart disease risk ( 12). Peanut butter is a good source of many nutrients, including niacin, magnesium, heart-healthy fats, and vitamins B6 and E ( 1). Other benefits of peanut butter before bed While this habit may be tied to weight gain, studies also show that having a healthy snack at night may increase fullness, muscle growth, and metabolism, particularly for men. Results are mixed on the effects of eating late at night. Still, specific research on peanut butter is needed. Interestingly, several studies have found that enjoying a healthy snack like peanut butter before bed may have health benefits.Īccording to one review, eating a small, protein-rich nighttime snack may improve overnight muscle protein synthesis, morning metabolism, and feelings of fullness among healthy men ( 10).Īnother small study including active, college-aged men found that consuming a good source of protein before bed increased their metabolism the next morning ( 11). Benefits for muscle growth and metabolism On the other hand, some research indicates that eating at night may not cause weight gain directly but is linked to dietary habits and lifestyle behaviors that contribute to weight gain, including increased snacking, breakfast skipping, and decreased diet diversity ( 7, 8, 9). However, other factors may also play a role, including your overall diet quality, sleep duration, and other habits, such as skipping breakfast ( 4, 5, 6). Potential for weight gainĪ few studies suggest that eating large amounts of food late at night impairs weight loss and raises body weight. Research on the connection between eating late at night and weight gain has turned up mixed results.