Sleeping Beauty

sleeping policeman

sleepy head

sleight of hand

by sleight of hand

We slept out of doors

I slept like a top

I slept like a log

He slept away the day

He slept 10 hours straight.

a slice of life

a slice of luck

slight fare

slight hope

a slight delay

to be of slight build

slight bend

He is slightly vulnerable

slim chance/hope

slimeball

sling/throw mud at somebody

to sling one’s hook

to slink off with one’s tail between one’s legs

a slip of the pen

to slip through somebody’s fingers