SLEEP DISORDERS
Changes in sleeping patterns or habits that can negatively affect health.
MOST COMMON TYPES
- Restless legs syndrome - A condition characterised by a nearly irresistible urge to move the legs, typically in the evenings.
- Jet lag - A sleep disorder that can affect those who travel quickly across multiple time zones.
- Narcolepsy - A chronic sleep disorder that causes overwhelming daytime drowsiness.
- Night terror
- Insomnia - Persistent problems falling and staying asleep.
- Obstructive sleep apnea - Intermittent airflow blockage during sleep.
- Sleepwalking - The act of getting up and walking around while asleep.
Insomnia can be caused by physical factors as well as psychological factors. There is often an underlying medical condition that causes chronic insomnia, while transient insomnia may be due to a recent event or occurrence. Insomnia is commonly caused by:
- Disruptions in circadian rhythm– jet lag, job shift changes, high altitudes, environmental noise, heat, or cold.
- Psychological issues– people with mood disorders such as bipolar disorder, depression, anxiety disorders, or psychotic disorders are more likely to have insomnia.