Science Jellyfish, with no brains, still seem to sleep Published September 21, 2017 The discovery that primitive jellyfish sleep suggests that sleep is an ancient, evolutionarily conserved behavior. Enjoyed this article? Share it with your friends! Facebook X LinkedIn WhatsApp Pinterest Reddit Mastodon Telegram Viber 🕐 Top News in the Last Hour By Importance Score # Title 📊 i-Score 1 These archaeology trips let travelers get their hands on history 🔴 75 / 100 2 America set for Ozempic EXPLOSION as drug is made available on telehealth giant for first time 🔴 65 / 100 3 Alpha launch of Lockheed tech demo satellite fails 🔴 65 / 100 4 The pursuit of truths: A letter on the boy who cried aliens (op-ed) 🔴 65 / 100 5 The trick tourists are using to reserve hotel sunbeds in Tenerife – as people brand them 'pathetic' 🔵 55 / 100 6 'Dark photon' theory of light aims to tear up a century of physics 🔵 52 / 100 7 Arne Slot married discipline with curiosity to clinch Liverpool's historic 20th league title… here's why it stirred memories of the club's forgotten man, writes IAN HERBERT 🔵 52 / 100 8 Inside Lola Consuelos' "Pure Magic" Relationship With Cassius Kidston 🔵 45 / 100 9 Michigan lawmaker penalized after covering Republican colleague's car in plastic wrap 🔵 35 / 100 10 Christina Applegate reveals death in her family that has brought her to 'tears' as she continues MS battle 🔵 35 / 100 View More Top News ➡️