Physical health - Deepstash

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Sleep: how much do we really need?

Physical health

Sleep deprivation has been shown to change the body’s basic metabolism and the balance between fat and muscle mass.

A review of existing studies found permanent night-shift workers were 29 % more likely to become overweight. They were also 41 % more at risk of a heart attack or stroke.

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Our sleep-wake pattern

Our molecular clock inside our cells aims to keep us in sync with the sun

When we disregard this circadian rhythm, we are at a greater risk for illnesses such as diabetes, heart...

The lifestyle imbalance

Thomas Edison said that sleep is "a bad habit." Like Edison, we seem to think of sleep as an adversary and try to fight it at every turn. The average American sleeps less than the recommended seven hours per night, mostly due to electric lights, television, computers, and smartphones. 

However, we are ignoring the intricate journey we're designed to take when we sleep.

Stage One Sleep

When we fall asleep, the nearly 86 billion neurons in our brain starts to fire evenly and rhythmically. Our sensory receptors become muffled at the same time.

The first stage of shallow sleep lasts for about 5 minutes.