The Optimal Level of Stress

Stress is the response of your body to challenge. Your level of stress predicts your performance in your job and your relationships. On the one hand, high levels of stress would cause strong anxiety, exhaustion, and impaired performance. On the other hand, low levels of stress would result in boredom, inactivity, and disengagement.

You need an optimal amount of stress to perform at your best. In psychology, this is known as the Yerkes–Dodson law, depicted in the figure below.

The Optimal Level of Stress

If you are a manager or a leader, make sure that your people are experiencing the optimal level of stress to stay engaged, motivated and at their best performance.

Why We Sleep – Matthew Walker


Book Review

If you find yourself making a lot of stupid mistakes, having difficulty remembering names, and being unable to connect with people due to your bad mood, then you might need to consider to have more sleep.

“Why We Sleep” is a must read for all those who think that sleep is a waste of time, and that 5 or 6 hours of sleep are sufficient for them. It explains how modern life style is deteriorating our sleep quality and quantity, and its impact on our everyday lives, on organisations and on society.

In a nutshell, here are the proven benefits of a full night of sleep as the author puts it : it makes you live longer. It enhances your memory and makes you more creative. It makes you look more attractive. It keeps you slim and lowers food cravings. It protects you from cancer and dementia. It wards off colds and the flu. It lowers your risk of heart attacks and stroke, not to mention diabetes. You’ll even feel happier, less depressed, and less anxious.

Establish a regular bedtime and wake-up time, even on weekends.

Insomnia

SleepLossObesity
Sleep Loss (dotted) and Obesity in the US

The author warns the reader against the use of sleeping pills, and recommends the cognitive behavioral therapy for insomnia, or CBT-I, which is proved to be more effective and is rapidly being embraced by the medical community as the first-line treatment. The tips below include some of the CBT-I methods.

Tips for a better sleep

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