combine ideas, facts, or experience, to develop a single idea or impression

Synthesize.

Explanation:

The word 'synthesize' is a verb which means to combine ideas, facts, or experience into a coherent whole.

It is an act of composing parts of things to form something new.

The word 'synthesize' is derived from the noun word 'synthesis' which is derived from Greek words 'syn' which means 'together' and 'tithenai' which means 'to place.'

So, synthesizing is an act of place together ideas, things, facts, expression, etc.

So, according to the definition provided, the correct answer is synthesize.

she could put on music that makes her sleep