The Aword

  • Increase font size
  • Default font size
  • Decrease font size

Types of Insomnia

E-mail Print PDF


A study of insomnia in Pennsylvania reported that "insomnia is a symptom associated with a wide variety of mental and physical health problems requiring a proper psychiatric and medical management"(2).

  • Disturbed sleep rhythm
  • Delayed sleep phase syndrome: difficulty falling asleep and in waking when necessary.
  • Advanced sleep phase syndrome: difficulty staying awake in the evening but waking too early.
  • Problems relating to shift work etc: difficulty getting enough sleep during available sleep times.