Insomnia typically involves the following symptoms:
- Difficulty falling asleep and maintaining sleep, or waking up too early.
- Waking up feeling unrefreshed or drowsy. In more severe cases of insomnia, you may feel fatigued, depressed, anxious or irritable.
- People with insomnia often suffer from daytime sleepiness and fatigue.
- Forgetfulness and trouble concentrating.
Reviewed by Dr Irshaad Ebrahim, specialist neuropsychiatrist in sleep disorders at The London Sleep Centre and The Constantia Sleep Centre. FRCPsych. April 2018.