睡 is a Japanese kanji written with 13 strokes, listed here under the keyword “drowsy”. It is built from 垂 (droop) and 目 (eye). In Remembering the Kanji by James W. Heisig it is frame 1707.
On KumiJi Glyph Explorer, open the parts search and type “droop” + “eye”. 睡 is among the results, together with every other character containing the same shapes.
Open 睡 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.