Lack of sleep has a direct effect on the production of three hormones and brain neurotransmitters, which in turn have a bearing on our health.

Complete the table below to show the above.

Lack of sleep Effect on the production of Ultimate effect on us

(a) Leptin __________________________________________________

(b) Ghrelin __________________________________________________

(c) Cortisol __________________________________________________

(d) brain neurotransmitters ___________________________________________

Lack of sleep

Effect on the production of

Ultimate effect on us

(a)

Leptin

The appetite-suppressing hormone

Decreases

(b)

Ghrelin

The hormone controlling hunger pangs

Increases hunger

(c)

Cortisol

Stress hormone

Increases fat storage

(d)

Brain neurotransmitters

The chemicals that deliver messages between nerve cells in the brain

Our brain chemicals deplete and this leads to emotional disturbances like depression, anxiety and general feelings of sadness, anger and irritation.

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