A lesser state of intoxication will not render a confession inadmissible." Campbell v. State, 444 So.2d 913, 915 (Ala.Cr.App. 1984); Miller v. State, 423 So.2d 271 (Ala.Cr.App. 1982). "The determination of the voluntariness of the confession is within the sound discretion of the trial court."