Presented by Imdad Soomro

 Partial disconnection from the world  Human body remains inactive  Brain remains active  Decrease in body temperature, blood pressure, breathing rate Source: nlm.nih.gov

 Stage 1: Drowsiness (Lethargy)  Stage 2: Light sleep  Stage 3: Deep sleep  Stage 4: Slow-Wave Deep Sleep  Stage 5: Rapid eye movement (REM)

 At least 40 million Americans experience long term sleep disorders each year and 20 million more experience occasional sleep problems  Sleep disorders interfere with work, driving and social activities  There are several sleep disorders such as Insomnia, Sleep apnea, Sleepwalking, Sleep- talking, Restless legs syndrome (RLS), Narcolepsy

 In Insomnia, people face problem falling asleep  Some may fall asleep easily but wake up very early. Others may have trouble with both falling asleep and staying asleep  Better sleep habits, often help relieve insomnia. Doctor may recommend cognitive-behavioral therapy or medicines Source: nlm.nih.gov

 It is basically interruption in breathing during sleep  Breathing pauses approximately 5 to 30 times or more an hour  Sleep apnea often goes unnoticed and it is difficult for doctors to diagnose it  Obstructive sleep apnea is common type of sleep apnea in which airway is blocked during sleep

 Obstructive sleep apnea is commonly found in overweight people  Sleep apnea can lead to headaches in the mornings, mental weakness, high blood pressure, irregular heartbeats Source:toptenz.net

 Sleepwalkers rise up from a deep sleep and they are unconscious  They perform activities  Experts feel that immaturity in central nervous system can be the cause of sleepwalking  They also suggest that sleepwalking in child is due to delay in maturation  Good sleep is recommended for sleep walkers Source: heart-valve-surgery.com

 It is a sleep disorder in which people talk during sleep  The listeners may or may not be able to understand the talk  It is said that the lighter the sleep, the easier it is to understand the speech  The factors that can be responsible for sleep- talking are anxiety disorder, fever, stress, psychiatric disorder

 Research was conducted at the Aga Khan University Hospital  The researchers concluded: “A significant proportion of the population is at high risk for obstructive sleep apnea syndrome”  Another study was held in Shifa College of Medicine, Islamabad to find out the frequency of snoring and emergence of symptoms of sleep apnea in young adults

 Sleep disorders can be solved through computers  Computer can be used to track the patient’s movements, breathing, snoring and heart beats during sleep  Activity based monitoring devices can also be used for the treatment of sleep disorders

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