Sleeping
Part of speech: verb
Definition: To rest in a state of reduced consciousness.
Part of speech: adjective
Definition: asleep used for sleep; used to produce sleep.
Part of speech: noun
Definition: the state or act of being asleep.
Example sentence: We shall not be happy unless we live like good animals, unless we enjoy the exercise of the ordinary functions of life: eating, sleeping, loving, walking, running, swimming, riding, sailing.
Dormant
Part of speech: adjective
Definition: Inactive, asleep, suspended.
Example sentence: Writing this book feels like a completely different activity from writing my comic strip because it's about real life. I feel like I'm using a part of my brain that's been dormant until now.