Basic Facts Related To Sleep


Before Thomas Edison’s invention of the light bulb, people slept an average of 10 hours a night; today Americans average 6.9 hours of sleep on week nights and 7.5 hours per night on weekends. (2002 Sleep in America Poll)

While many Americans enjoy the benefits of sufficient sleep, as many as 47 million adults may be putting themselves at risk for injury, health and behavior problems because they aren’t meeting their minimum sleep need in order to be fully alert the next day. (2002 Sleep in America poll)

Sleep deprivation and sleep disorders are estimated to cost Americans over $100 billion annually in lost productivity, medical expenses, sick leave and property and environmental damage (National Sleep Foundation).

More than two-thirds of all children (69%) experience one or more sleep problems atleast a few nights a week. (2004 Sleep in America Poll)

More than half of adults surveyed in the 2002 Sleep in America poll said they experienced one or more symptoms of insomnia atleast a few nights a week. Insomnia is characterized by difficulty initiating sleep, difficulty maintaining sleep, or waking too early.

Sleep Apnea, a breathing disorder characterized by brief interruptions of breathing during sleep, affects as many as 18 million people, according to the National Institutes of Health. Estimates indicate that untreated sleep apnea may cause $3.4 billion in additional medical costs. (SLEEP, 1992)

Approximately 12 million Americans have restless legs syndrome, a sleep and movement disorder characterized by unpleasant (tingling, crawling, creeping and/or pulling) feeling in the legs, which cause an urge to move in order to relieve the symptoms.

Narcolepsy is a chronic neurological disorder that involves your body’s nervous system. People with narcolepsy experience sudden “sleep attacks” that can occur at any time. Narcolepsy is believed to affect approximately 293,000 people in the US. (Narcolepsy Network)
The National Highway Traffic Safety Administration conservatively estimates that 100,000 police-reported crashes are caused by drowsy drivers each year. (That is about 1.5% crashes of all crashes) These crashes result in more than 1,500 fatalities and 71,000 injuries and result in an estimated $12.5 billion in diminished productivity and property loss. (Knipling and Wang, 1996)

Useful References
For Information about Sleep Disorders
National Sleep Foundation (We are a member of NSF !)
Comprehensive Sleep Guide from AASM
Pediatric Sleep Disorders

For Information about Insomnia

For Information about Sleep Apnea

For Information about Restless Leg Syndrome

Check your likelihood of having Sleep problem(s) now !

Epworth Sleepiness Scale
Sleep Quiz