Sleep problems are present in most mental health conditions and are often the first sign of trouble.
Improving sleep improves mood, concentration and recovery.
Key concepts
- Insomnia is a risk factor for future depression
- Reduced need for sleep can signal mania
- Sleep changes are an early warning for relapse
Symptoms and signs
- Early-morning waking with low mood
- Worry keeping the mind busy at night
- Sleeping very little yet feeling full of energy
Causes
- Stress hormones and hyperarousal
- Changes in brain chemistry in mood disorders
- Substance use and withdrawal
Risk factors
- Family history of mood disorders
- Long-term stress, shift work
- Alcohol, cannabis or stimulant use
Evidence-based management
- Treat the underlying condition and the insomnia together
- CBT-I alongside psychotherapy
- Regular routine to stabilise mood, especially in bipolar disorder
- Track sleep as an early-warning sign
When to seek professional help
- Sleep change with low mood, anxiety or unusual behaviour
- Several nights with very little sleep and high energy
- Thoughts of self-harm — seek urgent help
Frequently asked questions
Should I treat sleep or depression first?
Both together. Treating insomnia also speeds recovery from depression.
Can lack of sleep trigger psychosis?
Severe sleep loss can trigger mania or psychosis in vulnerable people, so protect sleep routines.
Medical references
Guidelines and official sources used for this article.
- Behavioral and psychological treatments for chronic insomnia disorder in adults: an American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine, 2021.
- Depressive disorder (depression) — fact sheet. World Health Organization.
- Bipolar disorder: assessment and management (CG185). NICE, UK, 2014.
- Author
- Dr. Kuldeep Budania, MBBS, MD Psychiatry
- Medical reviewer
- Dr. Kuldeep Budania, MD Psychiatry
- Last reviewed
This article is for general information and is not a substitute for personal medical advice.
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