Most people have no idea. Ants are one of the few animals that have yet to discover the secrets of sleep. The reason for this is that they live in a burrow-like communal structure with many members sharing the same space. This means that the sleep patterns of these animals are unique, and they need to be observed closely in order to understand how they work.
Most ants sleep in a hole that is dug into the ground by the worker ants. The worker ants go on to build a new nest after bringing sand pieces into the nest. However, if the weather changes or the worker ants need to move somewhere else, they may not be able to rebuild their nest. As a result, when there are storms or other elements that may destroy the ants' home, they will begin to search for a new home to live in.
When searching for a new home, the ants will often look around themselves and follow small trails left by the worker ants. This may seem like a strange behavior, but it is actually very useful for finding food. If the ant nest is built in a sheltered area away from direct sunlight, then it will be easy for the ants to find food during the day. As an added benefit, during the day when there are no other threats, the ants will seek out the food they need to survive.
While the worker ants are busy building the nest, the soldier ants will be out in the open looking for food. They follow the trails left by the worker ants and go searching for food. Sometimes they come across small animals or birds that they eat, but mostly they eat whatever they can get their hands on. As an ant colony grows bigger, the ants will have even more activities going on while they are sleeping.
If you have ever watched a colony of ants, then you know that some of them will start bringing sand bits into their nests to make it easier to dig up their nest when the weather gets too hot or cold. This is very necessary because the ants need to consume as many calories as possible in order to survive. As you can see, if they did not bring sand bits with them to their nest, then they would have to find ways to survive without any food at all.
How do ants sleep? Although it has never been completely understood, it is believed that the queen ant does not actually sleep. Instead, she is just waiting for her workers to do their part in the construction of the new nest. Once the workers have done this, then the queen will take over controlling the colony and ensuring that the ants get a good night's sleep.