tiene sueño = is sleepy. This is what the line says.

respetad = honor as well as respect; it seems the best equivalent.

Wallflowers are widely grown; the most popular species of Cheiranthus comes from the Mediterranean area. It belongs to the mustard family. Many varieties and hybrids, many fragrant.
Also species of Erysimium are called wallflowers.
Surprised you do not know these flowers; in all flower seed catalogues.

Do you use the HTML system for diacritical marks? It works with both Mac and Windows supported systems.