There's an old saying that elephants never forget. You also can say they almost never sleep.
Scientists recently said a first-of-its-kind study tracking the sleep behaviour of wild elephants found the world's largest land mammal sleeps two hours per day on average, and some days not at all, and does so mostly standing up.
Already a subscriber? Log in.
Limited time offer:
Just RM5 per month.
Cancel anytime. No ads. Auto-renewal. Unlimited access to the web and app. Personalised features. Members rewards.
Follow us on our official WhatsApp channel for breaking news alerts and key updates!