David
Psalm 55:2ESV·traditional attribution

Attend to me, and answer me; I am restless in my complaint and I moan,

C.H. Spurgeon Reformed Baptist @princeofpreachers

Attend unto me, and hear me. This is the third time he prays the same prayer. He is in earnest, in deep and bitter earnest. If his God do not hear, he feels that all is over with him. He begs for his God to be a listener and an answerer. I mourn in my complaint, and make a noise.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have, I. David praying. Prayer is a salve for every sore and a relief to the spirit under every burden: Give ear to my prayer, O God! Psa 55:1, Psa 55:2. He does not set down the petitions he offered up to God in his distress, but begs that God would hear the prayers which, at every period, his heart lifted...

Commenting on Psalm 55:1-8

John Gill Reformed Baptist @doctorgill

Attend unto me, and hear me,.... So as to answer, and that immediately and directly, his case requiring present help; I mourn in my complaint; or "in my meditation" (p); solitary thoughts, and melancholy views of things. Saints have their complaints, on account of their sins and corruptions, their barrenness and unfruitfulness, and the decay of vital religion in them; and because of the low...