It is a polyphasic or biphasic sleep pattern where two or more periods of sleep are punctuated by periods of wakefulness. Along with a nap (siesta) in the day, it has been argued that this is the natural pattern of human sleep. A case has been made that maintaining such a sleep pattern may be important in regulating stress. Sleep is a necessity. It determines the quality and activity of our waking life. According to some sleep experts, 80% of the population is sleep deprived. We're not spending enough quality time in the important stages of sleep. These stages are essential to heal and repair the human body, as well as the mind, for peak performance the next day. The barrier to achieving quality sleep is interrupted sleep. There are many causes of interrupted sleep like: Poor sleep environment, mental stress, Physical stress, improper diet and lack of exercise. The brain exhibits high levels of the pituitary hormone prolactin during the period of nighttime wakefulness, which may contribute to the feeling of peace that many people associate with it. It is in many ways similar to the hypnagogic and hypnopompic states which occur just before falling asleep and upon waking. Consolidated sleep with no awakenings is the normal and correct way for human adults to sleep, may lead people to consult their doctors fearing they have maintenance insomnia or other sleep disorders.
Last date updated on July, 2014