Do spiders sleep?

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. read more

Although little research exists on spider sleep, spiders are known to have circadian rhythms, or daily periods of activity and rest. Activity cycles vary by species. Certain spiders are mainly active at night; others take care of business during the day. read more

Scientists believe that a spider may be sleeping when its legs are tucked under its body, as in hibernation. There is very little research on the subject of spider sleeping habits. Spiders have a circadian rhythm of activity and rest. read more

All animals go through a quiescent period (sleep) but with insects and arachnoids, their rest periods are controlled by both light and temperature. Some spiders spin huge webs in the evening and are quiescent during the day, but butterflies are controlled more by condensation on their wings, but moths use the condensation to improve their flight. read more