Why do I feel sleepy after a nut? Unpacking the Science
                                
                                
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                                    4 min read                                
                            
                                According to research published in the journal *Food & Function*, daily walnut consumption significantly improves sleep quality and reduces daytime sleepiness. For those who feel sleepy after a nut, this is no coincidence; several compounds naturally found in nuts are scientifically proven to induce feelings of relaxation and sleepiness.