Sleep is essential for life and health. It is not for nothing that sleep deprivation is considered a torture. Most people need at least seven hours sleep per night to be healthy and we should consider it as important as a good diet and exercise, to maintain a healthy lifestyle.
Personally, I found I was falling asleep while watching TV and even feeling sleepy in the car – definitely not good for your health! I changed my sleep habits to make sure I got seven hours a night and my tiredness disappeared! I also found out my thyroid was underactive and noticed that, now that I take a small dose of thyroxine, I have more vivid dreams. Dreams are also an essential part of sleep.
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4 Seasons Health - Blog 