You have probably heard and even talked about your biological clock but have you ever thought what the term actually refers to. When people talk about their biological clock, they are actually referring to their circadian rhythm. Your circadian rhythm is in charge of coordinating your daily sleep wake cycle.

The definition of a sleep disorder from a clinical point of view is a disruptive pattern of sleep that may include difficulty falling asleep or staying asleep, falling asleep at inappropriate times, excessive total sleep time, or abnormal behaviors associated with sleep. Doctors and specialists who study sleep have identified approximately one hundred different types of sleep problems.

Millions of folks all over the world have trouble sleeping at one time or the other. While some only suffer the problem occasionally, there are others where it is a recurring problem called insomnia. Irrespective of how your sleep problems came about, you have a multitude of options as far as sleep aids are concerned. However, if you are unwilling to ask your doctor for prescription sleep drugs or other medical alternatives, several natural sleep aids are available that can help guide you to the land of nod.

Periodic Limb Movements in Sleep is a symptom that is commonly associated with another type of sleep disorder known as Restless Leg Syndrome or RLS. However, PLMS is a separate condition and RLS need not be present. PLMS is also known as Periodic Limb Movement Disorder or PLMD and refers to the same condition.

If your doctor or health care professional has diagnosed you with insomnia and there is no underlying health problem causing that insomnia, there are ways to cure insomnia by incorporating some lifestyle and behavior changes into your life.