Riddle-Poems, and How to Make Them

http://catb.org/~esr/riddle-poems.html

I am always at your side. To a slab my tail is tied And my eyes are both inside my belly. Tickle my back, one/two/three! Wisdom and folly are yours to see.


The Moon is my father,
the Sea is my mother;
I have a million brothers,
I die when I reach land.


A hoard of rings am I,
but no fit gift for a bride;
I await a sword's kiss.


A wonder on the wave / water became bone.
- Book of Exeter

Riddle #1

He who locks himself into the arms of Morpheus promptly at eventide, and starts the day before it is officially announced by the rising sun, excels in physical fitness, increases his economic assets and celebrates with remarkable efficiency. What common phrase is hidden in the complicated sentence above?