A "good napper" refers to someone who is skilled at taking short sleeps during the day and gets enough rest from them.
Sentences with «good napper»
Maxine is an amazing and very effective alarm clock, and lucky for me, a really good napper. (momtricks.com)
Because Noah and Ezra were both good nappers. (alphamom.com)
I have 4 month old twins — one chronic 45 - minute napper (I do not think he has taken a full nap on his own since he was 2 months old) and one somewhat better napper (she's about 50/50 on waking early these days). (babywisemom.com)