Sleep and its disorders

reduced responsiveness to external stimulation that is accompanied by complex

and predictable changes in physiology.

A well-known feature of sleep is the dream, an experience typically recounted in narrative form, which resembles waking life while in progress, but which usually can later be distinguished as fantasy

through five phases: stages 1, 2, 3, 4, and REM

(rapid eye movement) sleep. These stages of sleep progress in a cycle from stage 1 to REM sleep, then the cycle starts over again with stage 1.

regular changes in mental and physical characteristics that occur in

the course of a day (circadian is Latin for “around a day”).

When travelers pass from one time zone to another, they suffer from disrupted circadian rhythms, an uncomfortable feeling known as jet lag.

each person needs depends on many factors, including age.

System Functioning
To Keep Us Growing
6. Why is Sleep Important for

Our Health?

Sleep and sleep-related problems play a role in a large number of human disorders and affect almost every field of medicine.

Sleep impacts on the Immune System.

the ability to sleep well on a regular basis.
General

symptoms of sleep disorders include:
difficulty falling or staying asleep
daytime fatigue
strong urge to take naps during the day
irritability or anxiety
lack of concentration
depression

the most common causes
of chronic pain include:
arthritis
chronic fatigue syndrome
fibromyalgia
inflammatory

bowel disease
persistent headaches
continuous lower back pain
Stress and Anxiety

It’s important to receive a diagnosis and treatment right away if you suspect you might have a sleep disorder.

asleep or to remain asleep. It can be caused by

jet lag, stress and anxiety, hormones, or digestive problems.

Insomnia is usually classified as one of three types:
chronic, which is when insomnia happens on a regular basis for at least one month
intermittent, which is when insomnia occurs periodically
transient, which is when insomnia lasts for just a few nights at a time

sleep. This is a serious medical condition that causes the

body to take in less oxygen. It can also cause you to wake up during the night.

Parasomnias
Parasomnias are a class of sleep disorders that cause abnormal movements and behaviors during sleep.

to move the legs. This urge is sometimes accompanied by

a tingling sensation in the legs.

Narcolepsy
Narcolepsy is characterized by “sleep attacks” that occur during the day. This means that you will suddenly feel extremely tired and fall asleep without warning.

and underlying cause. However, it generally includes a combination of

medical treatments and lifestyle changes.

Going to bed and waking up at the same time every day can also significantly improve your sleep quality. While you might be tempted to sleep in on the weekends, this can make it more difficult to wake up and fall asleep during the workweek.

observe daily. People who sleep enough is normally active, happy

and productive during the day. Their concentration on activities and tasks they engage in during the day is normally high leading to a high productivity. People who sleep at least eight hours a day is not affected by the small ailments like the common cold. Sleeping enough, therefore, makes a person live a healthy, active and productive life. Sleep and be happy and healthy.

there during sleep?
How much sleep do we need?
What types of

treatment for sleep disorders do you know?
What types of sleep disorders do you know ?