How Many Hours Of Sleep Do Monkeys Need?
How Many Hours Of Sleep Do Monkeys Need? Species Average Total Sleep Time (% of 24 hr) Average Total Sleep Time (Hours/day) Squirrel Monkey41.3%9.9 hr Chimpanzee 40.4% 9.7 hr Guinea Pig 39.2% 9.4 hr Human (adult) 33.3% 8 hr How long do monkeys sleep at night? These monkeys sleep an average of 9.5 hours. Their