pri·ma·tol·o·gy 
(prī′mə-tŏlə-jē)
(prī′mə-tŏlə-jē)n.
The branch of zoology that deals with primates.
pri′ma·to·logi·cal (-tl-ŏjĭ-kəl) adj.
pri′ma·tolo·gist n.
- sleeping bag
- sleeping car
- sleeping pill
- sleeping porch
- sleeping sickness
- sleep-learning
- sleepless
- sleeplessly
- sleeplessness
- sleep like a log
- sleep like a log/rock
- sleep like a rock
- sleep on
- sleep out
- sleep over
- sleepover
- sleep terror
- sleep together
- sleepwalk
- sleepwalker
- sleepwalking
- sleepwear
- sleep with
- sleepy
- sleepyhead