Perhaps the most obvious condition which hypnotherapy and NLP can benefit is sleep.  Since the deeper trance states of hypnosis are a stage between consciousness and sleep, light hypnotherapy work can help with basic relaxation .  Using NLP, you will be asked to examine your sleep patterns and remove any external causes that may be contributing towards insomnia.  Sleep inductions can give you the ammunition to fall asleep using self hypnosis and use it for early wakings.