I listen to music almost every day, especially whenilst I comb my hair in the morning and when I am procrastinateing. I listen to music almost every day, especially whilst I comb my hair in the morning and when I am procrastinating.

Use while/whilst for simple present, and when for present continuous. What you wrote sounded fine, but my corrections would sound more natural. I put an example of each so you can see how it looks.