When spiders sleep or hibernate, they're most likely to be in their webs, in protected places such as cracks in walls or, among species that burrow, in tunnels.

Do spiders curl up when they sleep?

Do Spiders Curl-Up When Asleep? Spiders may tuck-in their legs when they are chilly, but they do not really, “Curl-up,” in the traditional sense. In fact, a spider that has curled-up is most likely dead. When there is no longer blood pumping through the spider's body it is almost like hydraulics shutting-off.

Do spiders sleep Yes or no?

Spiders do not sleep in the same way that humans do, but like us, they do have daily cycles of activity and rest. Spiders can't close their eyes because they don't have eyelids but they reduce their activity levels and lower their metabolic rate to conserve energy.