单选题 Insomnia, or “poor sleep”, can have bad effects on a person's health and general well-being. It can_____(21)on both our physical and mental health and can lead to other health_____(22). Insomnia can be traced to many different reasons, but what is_____(23)to many sufferers is their inability to relax fully and "switch the mind__请作答此空___(24)". Constant thoughts. _____(25)around and around in the mind, moving from one_____(26)to the next, prevent stillness and peace and_____(27)a sufferer extremely tired. In order to treat insomnia_____(28), it is first necessary to allow a sufferer to re-experience_____(29)real relaxation feels like. It's almost as though they've forgotten how to relax. Once this has been_____(30)by the brain, then fast and effective_____(31)can be made to re-educate the unconscious towards allowing the person to relax_____(32)and to allow a natural state of Sleep to_____(33). Hypnotherapy (催眠疗法)is one of the fastest and most effective ways of_____(34)this goal for long-lasting results. Sleeping pills, is used at all, should only be a short-term_____(35)as their effect is soon reduced and their side effects can be deep and far-reaching.