![]() ![]() For the spiders who do most of their sleeping during the day, what do they do all night long?Ī lot of spiders have evolved to be nocturnal in order to avoid becoming prey. But this depends on the spider species because some species are diurnal (more active in the day). Most spiders are nocturnal, which means that they are more active at night. This also comes into play if a spider has not had enough food – a hungry spider may wait and sleep (in their lower metabolic state) until they can get some food that they need. The same goes for spiders who burrow instead of making a web – a large spider may sleep and just wait for something tasty to walk by their burrow. For example, if a fly lands in a spider’s web while they are sleeping, the spider will probably wake up to get their snack and then go back to sleep! RELATED: Which Spider Is This? Quiz Asleep but alertīut even while spiders are asleep, they are still partially alert. Some web weaving spiders will sleep upside down, too – but instead of laying on their backs, they may hang from their web upside down to take a rest. While it might not seem the most comfortable position, spiders often feel most comfortable upside down, so they like to lay on their backs when it comes time to rest. Other spiders, like the tarantula, sleep on the ground, right on their back with their legs up! Larger spiders that do not weave a web (and instead hunt for their prey themselves), such as wolf spiders, might make a burrow underground that they will go into sleep. When a spider is sleeping, it can take different forms. This rhythm is internalized, and it tells the spider when they need to sleep and rest.īut unlike most humans, the circadian rhythm of a spider leads them to be awake more at night and in a more restful state during the day. A circadian rhythm is a natural process that helps to regulate sleep in creatures, and it goes through a cycle that is approximately 24 hours long. Just like humans, spiders follow a circadian rhythm.
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