Nappers catch them

• A lot of pizazz?
• Middle of a puzzle?
• A good bit of razzle-dazzle?
• Kin of omegas
• Sleep, slangily
• They're usually caught lying down
• About 1/300 of a dictionary
• 10-point Scrabble tiles
• Cartoonist's indicator of nodding

Wiktionary Word definitions in Wiktionary
Etymology 1 n. (plural of zee English) Etymology 2 pron. (eye dialect of this from=primarily French-accented English)