Yes but be sure they aren't wet or sitting on an ant's nest or anything like that.
Catterpillars can sleep on grass ,leaves ,or in trees. :)
leaves and anytime with their eyes shut
Ladybirds sleep underneath fallen leaves and gaps in trees.
Hunter-gatherers slept in various locations, depending on the environment they lived in. They may have slept in caves, under rock shelters, or in temporary shelters made from branches, leaves, or animal hides. Some groups also constructed more permanent shelters, such as huts or lean-tos.
leaves and tiny sheets
No, your soul does not leave your body when you sleep. Sleep is a natural process for the body to rest and rejuvenate, but your soul remains connected to your body during this time.
Gorillas sleep in nests made of leaves and branches.
Lizards can sleep in trees, under rocks or leaves, or underground burrows. Some can even sleep underwater.
Chipanzees sleep for 12 hours a day and make nest out of leaves
Platypuses sleep on the soil and dirt within their burrows, or sometimes a lining of leaves.
Stick insects sleep on leaves, on twigs, on sticks, or in trees. Some are nocturnal and they sleep during the day.
Monkeys usually sleep upside down like bats.