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Next, we have chickpeas, often enjoyed in the form of hummus. Rich in tryptophan, an amino acid that converts to serotonin—a key player in sleep regulation—chickpeas encourage better sleep quality. Research shows that a diet high in tryptophan can significantly help reduce insomnia, particularly when combined with complex carbohydrates. Pairing chickpeas with vegetables like cucumber or celery for a nighttime snack can help promote sleep.