lethargic means sleepy or inactive? This chart shows that little brown bats are very lethargic, sleeping for around 19.5 hours per day. Here in the sentence , the word "lethargic" can be replaced by

patricia

lethargic means sleepy or inactive? This chart shows that little brown bats are very lethargic, sleeping for around 19.5 hours per day. Here in the sentence , the word "lethargic" can be replaced by "sleepy" or "inactive"? Thanks for your help!