Sleep: Frequently asked questions and their answers https://ainswer.net/en/topic/sleep en Why do humans need sleep? https://ainswer.net/en/question/why-do-humans-need-sleep Humans need sleep to allow the body and brain to rest and recover. It he... Thu, 18 Jan 2024 18:14:56 +0100 How many years can a snail sleep? https://ainswer.net/en/question/how-many-years-can-a-snail-sleep Snails can sleep for up to 3 years at a time, depending on the species a... Thu, 16 Nov 2023 13:07:05 +0100 Which animal sleeps with one eye open? https://ainswer.net/en/question/which-animal-sleeps-with-one-eye-open The dolphin is known to sleep with one eye open, as they need to keep on... Sun, 05 Nov 2023 12:45:42 +0100 Which animal sleeps the least? https://ainswer.net/en/question/which-animal-sleeps-the-least The giraffe is known to sleep the least, averaging only 1.9 hours per da... Sun, 05 Nov 2023 12:44:53 +0100 Which animal never sleeps? https://ainswer.net/en/question/which-animal-never-sleeps The bullfrog is an animal that never sleeps. It has the ability to shut ... Sun, 05 Nov 2023 12:44:03 +0100 How do elephants sleep? https://ainswer.net/en/question/how-do-elephants-sleep Elephants sleep standing up or lying down, and they only sleep for a few... Tue, 03 Oct 2023 14:21:38 +0200 Which animal sleeps the most? https://ainswer.net/en/question/which-animal-sleeps-the-most The animal that sleeps the most is the koala, sleeping up to 22 hours a ... Mon, 02 Oct 2023 16:28:52 +0200