How long does each hypnotherapy session last? 27 July 2022 15:17 Updated Each hypnotherapy session lasts around 25-29 mins. So, it can fit into your busy daily routine. Related articles How do I know whether to buy a bundle pack or an individual session? Does the hypnotherapy session work on the first try? What does being hypnotised / hypnotherapy feel like? Hypnotic Gastric Band Instructions What happens if I can’t relax during the hypnotherapy session? Comments 0 comments Please sign in to leave a comment.