Your hamster is not coming out while your other one is they are Chinese dwarf hamster what should you do?

If one of your Chinese dwarf hamsters is not coming out while the other is active, first check for signs of illness or distress, such as lethargy, unusual posture, or difficulty breathing. Ensure their environment is comfortable, with proper temperature, bedding, and hiding spots. You may also want to observe if the inactive hamster is simply shy or prefers solitude. If the behavior continues or if you notice any concerning symptoms, consult a veterinarian for further advice.