Short term insomnia can be caused by stress, diet or jet lag.

Sleeping pills are generally considered effective for long-term to help with insomnia.

This sleep disorder tends to run in families with a history of sleep disorders, and it also occurs in some people who have experienced head trauma or injury.

Narcolepsy only occurs when the person received inadequate sleep the night before.

Symptoms of this sleep disorder can occur at any age, but the most severe cases usually occur in the elderly.

Restless leg syndrome (RLS) gives symptoms of

All people who snore have some sleep apnea

To diagnose sleep apnea a sleep test is done to measure brainwaves, heartbeat and breathing.

Even once diagnosed, narcolepsy is impossible to treat and those who suffer from it are no longer allowed to drive.