Most of the possible reasons your what can bearded dragons eat isn't eating are easy to figure out with a little patience and some quick research. Bearded dragons can go for quite long periods without eating and in their natural habitat they may not eat for parts of the cooler season to begin with. If you giving your dragon less light and cooler temperatures during this time to mimic this cooler period you may notice that your dragon may not eat for several days at a time or eat considerably less. This is natural in the wild and if you are concerned you may choose to turn the heat back up to see if this brings their appetite back to normal.
This holds true at any time of the year when your dragon may be eating less. You will want to first make sure you have various temperature gradients in their cage ranging from 80 F up too around a 100 F allowing them to bring their body temperature up to the optimal level for digestion. Undigested food may cause you dragon to not eat and this would be the first area to check in order to rule temperature out as the possible reason your pet is not eating properly if at all.
You will also find that some dragons are very particular in their preferred foods. They may like crickets over red worms and choose not to eat when you place something they don't like in their cage. Most people don't realize that individual dragons are each different and like dogs or other pets may be picky about what they decide to eat. Changing foods around can also help your what can bearded dragons eat accept different meal items from time to time. You may add veggies three days a week and choose to switch between crickets and wax worms periodically to help keep them from becoming bored with their food choices.
Proper lighting is also essential to your dragon's health and full spectrum lighting will help them to absorb calcium and develop good bone growth. Good growth also stimulates your pet's appetite and if you have not provided full spectrum lighting for your pet this should be done as soon as possible. You may choose to supplement their full spectrum lighting with natural sunlight but make sure your pet remains supervised outdoors and you avoid keeping them in a glass tank as these can easily overheat in the sun.
When you have exhausted all possible reasons on your own and your dragon is still not eating you will want to seek the help of a veterinarian who specializes in the care of reptiles. There are various parasites and diseases that bearded dragons may be infected with and many are treatable if you catch them in time.
Many Bearded dragons are often cherished parts of the family and if you feel your pet dog is worth a visit to the vet when they are sick you should be ready to take your dragon as well when they are ill. Your vet may be able to help you find the reasons your What can bearded dragons eat isn't eating when you have exhausted all of the possible causes you can on your own.