body weight (kg)
brain weight (g)
slow wave (nondreaming) sleep (hrs/day)
paradoxical (dreaming) sleep (hrs/day)
total sleep, sum of slow wave and paradoxical sleep (hrs/day)
maximum life span (years)
gestation time (days)
predation index (1-5) 1 = least predated
sleep exposure index (1-5) 1 = least exposed
overall danger index (1-5) (based on predation and exposure)