Lack of restful sleep can result in a variety of issues ranging from aging skin due to the breakdown of collagen as a result of prolonged poor rest, and increased waist line due to disruption of hormones for appetite regulation, negative effects on mental alertness leading to poor judgement, mood and memory as well as chronic cardiovascular diseases including high blood pressure and stroke.
What can be defined as 'enough sleep' is different for each individual but a general consideration is most healthy adults are designed for 16 waking hours and need an average of 8 hours of replenishing sleep at night. As mentioned this is merely a generalization as some healthy adults can function on as little as 6 hours and others need a minimum of 10 to function without drowsiness.
Sleep is not just about simply lying down and shutting off from the day; there are four stages of sleep that affect the quality and therefore the outcome. Stages one and two are progressively allowing the mind to unwind, stage three is when deep sleep occurs and the final stage is called Rapid Eye Movement or REM where dreaming and higher levels of brain activity occur. An ideal night’s sleep would have approximately 3-4 REM cycles allowing a person to wake refreshed, replenished and prepared for the days activities.
The ability to sleep is effected by a number of things including stress and a chronic lack of sleep can result in exhaustion and even a condition called insomnia where lack of sleep is habitual. There are several suggestions to aid in a restful night’s sleep and higher sleep quality, these include;