SLEEP

Published on 22/06/2015 by admin

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SLEEP

Chapter contents

EXCESSIVE DREAMING

INTRODUCTION

Sleep disturbances are very common in Western patients; when asking a patient about a sleep problem, it is important to clarify whether there is difficulty in falling or staying asleep, waking up early in the morning or excessive dreaming.

WHY WE ASK

It is essential to ask every patient about their sleep because this gives an indication of the state of the Mind (Shen) and Ethereal Soul (Hun). A disturbance of the Mind or Ethereal Soul, or both, is of course extremely common in Western patients whose lives are generally subject to a considerable amount of stress.

The length of sleep needed varies according to age and, in general, it gradually decreases in one’s lifetime, being highest in babies and lowest in the elderly. We should therefore take age into account when judging whether the patient’s sleep is adequate or not.

WHEN WE ASK

I ask about sleep and dreaming early on in the consultation in every case. Even if a patient does not apparently present with any problems of that kind, I always ask about sleep and dreaming to get an idea of the state of the Mind and Ethereal Soul.

HOW WE ASK

It is important to be specific when asking about sleep and dreaming; it will not suffice to ask ‘Do you sleep well?’ I generally ask patients whether they fall asleep easily, whether they wake up during the night and whether they dream excessively. The last symptom is difficult to define as we all dream: dreaming seems to be an essential part of sleep, performing a function that is still the subject of debate and disagreement. What, therefore, constitutes ‘excessive’ dreaming in Chinese medicine? I personally think this can be defined either as having many dreams, to the point of feeling exhausted in the morning because of them, or as having unpleasant dreams which leave one tired and slightly disturbed in the morning or even wake one up during the night.

If the patient dreams excessively, I then ask whether there is any recurrent dream. Apart from a modern psychological interpretation of dreams according to the theories of Freud, Jung and others, I always try to interpret recurrent dreams in terms of Chinese medicine. The ‘Simple Questions’ has a long list of dreams with their significance in Chinese medicine and these are listed in Part 5, Chapter 81. For example, recurrent dreams of water usually indicate a Kidney deficiency (while in Jungian psychology water is a symbol of the unconscious).

INSOMNIA

Symptoms and Signs, Chapter 81

In general, sleep depends on the state of Blood and Yin, especially of the Heart and Liver, although the Blood and Yin of other organs also influences sleep. During the night Yin energy predominates and the Mind and the Ethereal Soul should be anchored in the Heart-Blood and Liver-Blood respectively (Fig 40.1).

Fig. 40.1 Heart-Blood and Liver-Blood as anchors of the Mind and Ethereal Soul

A sleep disturbance may be due to the Mind or the Ethereal Soul not being anchored in the Heart-Blood(or Heart-Yin) or the Liver-Blood (or Liver-Yin) respectively; this can happen either because there is not enough Blood or Yin to anchor the Mind or the Ethereal Soul, or both, or because a pathogenic factor (such as Heat) agitates them. The former is an Empty type of sleep disturbance, the latter a Full type. In both cases, the Mind or the Ethereal Soul is said to ‘float’ at night causing insomnia (Fig 40.2).

Fig. 40.2 Pathology of insomnia

In general, in Deficiency, a difficulty in falling asleep indicates a Blood deficiency of the Heart, Spleen or Liver, whereas difficulty in staying asleep and a tendency to wake up during the night indicate a Yin deficiency. Of course, waking up during the night may also be due to a Full condition such as Heat, Fire, Phlegm-Fire or retention of food.

A difficulty in falling asleep generally indicates a deficiency of Blood or Yin; waking during the night generally indicates Yin deficiency with Empty-Heat.

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