Who lulled Samson to sleep and had a man shave his head?

Answer: Delilah

Delilah lulled Samson to sleep on her lap and called a man to shave off the seven braids of his hair.

“And having lulled him to sleep on her lap, she called a man to shave off the seven braids of his head. In this way she began to subdue him, and his strength left him.”— Judges 16:19 (BSB)