first you need to convert them all into percentages... 
dolphin - 43.3%
lion - 56.3%
rabbit - 47.5% 
squirrel - 62 % 
tiger - 65.8% 
1. dolphin, rabbit, lion, squirrel, tiger
2. average person sleeps 8 hours a day which equals 33.3% ( 8/24 ) 
3. you, dolphin, rabbit, lion, squirrel, tiger