The Upward Spiral by Alex Korb

Author:Alex Korb
Language: eng
Format: mobi, epub
ISBN: 9781626251229
Publisher: New Harbinger Publications
Published: 2015-02-11T07:00:00+00:00

Sleep and Clear Thinking

Many people with depression have difficulty thinking clearly and being decisive, and these problems are exacerbated by sleep problems.6 After a bad night of sleep, people tend to be more rigid in their thinking and less adaptable to new information. Poor sleep also causes deficits in attention. Fortunately, improving sleep can restore clear thinking and improve your attention,7 likely because of improved prefrontal function. For example, one fMRI study looked at brain activity during thinking and found that people with insomnia had reduced activity in both the dorsomedial and ventrolateral prefrontal cortex.8 The insomniacs were treated without medication, simply using many of the same recommendations in this chapter, and improved their sleep quality significantly, which restored their prefrontal activity to normal levels. So if you can improve your sleep, your thinking and decision-making abilities will improve too.

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