Most vivariums have lights and heat lamps which operate on a timer which is perfect if you’re going on holiday. However, it's best to get someone to check up on your reptile regularly, even if they don’t need feeding every day. Remember to make sure you check your pet sitter isn’t scared of bugs! If you cannot find a friend or family member to help you out, it may be worth looking out for a professional pet sitter.
No matter who you ask, it is extremely important to leave detailed instructions as different reptile’s dietary needs can vary a lot. Leaving a couple of emergency numbers, such as your vet, for example, can be useful in case anything goes wrong. If possible, try prepping food and water in advance. Spare UVB light bulbs are useful to have around the house just in case a bulb needs replacing while you are away.
Finally, a pre-trip check-up with your vet is a good idea, to give you peace of mind before you head off.