Causes and symptoms of insomnia

Insomnia may be caused by many factors, including:

  • Stress
  • Depression
  • Anxiety
  • Physical illness
  • Caffeine intake
  • Irregular schedules
  • Drugs (including alcohol and nicotine)
  • Occasional or chronic pain

The symptoms of insomnia include:

  • Daytime sleepiness
  • Low energy or fatigue
  • Anxiety or frustration about sleep
  • Attention, concentration or memory problems
  • Waking up tired or in pain

Sleep Center