Why is Chicken Sleepy? Understanding Chicken Lethargy and Rest
                                
                                
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                                    3 min read                                
                            
                                According to research published by the National Institutes of Health, sleep disturbances can contribute to stress and lowered immune function in chickens. If a chicken is sleepy more often than usual, it can be a sign of illness, stress, or other issues like poor nutrition or external parasites.