Sliding doors are the preferred choice where space is at a premium. Some people prefer sliding doors, as it means no floor space is occupied when wardrobe doors are open. For people who only use part of their wardrobe on a regular basis, sliding doors are the ideal option.
The design of your wardrobe is a very personal choice. Not only does it need to suit the design of your home, it needs to efficiently utilise the space you have available and suit your storage needs.