When we question people about whether they can remember how they fall asleep, most people say they feel sleepy and tired and that their eyelids are heavy and they cannot keep them open. They are unable to concentrate and no longer can be bothered with what is going on around them. Their awareness of their surroundings becomes less and less, and somehow they fall asleep. No one can remember exactly how they pass from the waking state to the sleeping state; they just know that it is a very vague and transient period. In fact we all go through a very brief period of hypnotic state before we fall asleep. This is the stage in which we feel that we can no longer be bothered with what is going on around us and we are dissociated from our surroundings, as if we are in a dream state, as observed by Foulkes. This period of drifting from the awake state into the sleeping state is a brief hypnotic state and has nothing to do with REM stage sleep.
Everyone goes through the THS between the waking and sleeping states. We do not feel awake and alert one second, and then all of a sudden asleep the next. When we fall asleep, we go through a brief THS which is a transit between the waking and the sleeping states. The THS is the precursor of sleep. As you know, we have little or no control over falling asleep. We cannot close our eyes and say the magic word ‘sleep’ and then fall asleep. However, if we can induce ourselves into this THS, sleep will follow. We have no control over sleep, but we have full control over the THS. Remember how in highway hypnosis the driver passes from the awake state to the hypnotic state and then, if he is not careful, into the sleeping state. The THS is the switch that we can switch off and fall asleep.
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