Some believe that Stonehenge (2500 BCE) in England was built to help establish when the Summer Solstice occurred.
Males and Females sleep up to 18-20 hours a day in most cases. Depending on how hot or if the weather is perfect than the lion will sleep. If the weather is good ther will sleep about 14-18 hours and go hunting or playing.
a few more african lion facts. 1  Lions can consume up to 40 pounds of meat in a single meal. 2  African lions sleep-or doze, rather-about 20 hours a day. 3  The big cats are the tiger, lion, leopard and jaguar-the only 4 members of the genus Panthera. 4  The big cats are the only cats who can truly roar.