Poor sleep in a child with a heart defect, kidney hydronephrosis, bilateral testicular edema

Hello! Naturally, such diseases can cause sleep problems. You need to first cure major diseases. Refer to the pediatrician at the place of residence, he will help you solve the problem with sleep, perhaps prescribe sedatives. In any case, you need to have more information about the status of your child. In some cases, help sessions with a psychologist.