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What is sleep?
Sleep is a naturally reversible periodic state of many living things, which see's an altered state of consciousness taking place through a cycle of 'wakefulness' and then significantly reduced interactions with one's surroundings. A typical sleep pattern in humans sees a change in Body posture (such as lying down), followed by the closure of the eyes, reduced muscle activity and changes in brain activity (such as dreaming).
Why is sleep important?
Sleep is a vital way in which your body essentially recharges it's batteries, and works to heal or repair any heart and blood vessels.
What happens if I don't get enough sleep?
Other than obvious of feeling constantly tired, ongoing sleep deficiencies may increase the risk of high Blood Pressure, a heart or kidney disease, diabetes and a stroke.
How can I improve my sleep naturally?
There are a few simple things you can do to improve your sleep naturally, such as ensuring you go to be and get up at the same time every day, avoiding sleeping in at weekends. Spending more time outside during daylight, particularly in bright sunlight, may also help to improve your irregular sleep patterns.