Question 3. Do you blame yourself for being tired?
People with physical fatigue usually think: “I overdid it”, “I need a holiday”, “I should go to bed earlier”. People with depression often think: “I’m lazy”, “I’m useless”, “Everyone else copes, why can’t I?”. The presence of guilt and self‑criticism around the fatigue is a huge red flag for depression.
If you answered “yes” to at least two of these — especially question 2 — there’s a good chance your fatigue is driven by low mood, not a physical shortage of iron or sleep. The next step is not more coffee or more naps. It’s a different approach.
What to do if it’s depression, not fatigue
First, don’t panic. Mild to moderate depression is highly treatable, often without drugs. Dr. Tran recommends three steps before considering antidepressants.
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Behavioural activation. This is the opposite of “rest until you feel better”. You schedule small activities even if you don’t feel like doing them. A 10‑minute walk. Washing three dishes. Calling one friend. After a week, the action creates the feeling, not the other way around. Studies show behavioural activation works as well as therapy for mild depression.
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Morning light exposure. Get 20 minutes of sunlight within one hour of waking (no sunglasses). This resets your circadian rhythm and boosts serotonin. Many people with atypical depression are “night owls” who stay up late and wake up groggy. Morning light fixes that.
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Cut alcohol completely for two weeks. Alcohol is a central nervous system depressant. Even one glass a night can amplify the exhaustion of depression. Try a two‑week detox. If your energy improves dramatically, alcohol was the fuel for your depression.
When to see a doctor
If the three‑question test indicates depression and these lifestyle changes don’t help after 4‑6 weeks, see a GP. Ask for a mental health care plan (Australia gives 10 subsidised therapy sessions per year). Also rule out physical causes: thyroid dysfunction, sleep apnoea, low vitamin D or B12. These can mimic depression and also co‑exist with it.
A reader from Adelaide, 41, wrote to us: “I spent $800 on blood tests and supplements for fatigue. Everything normal. Then I realised I had lost interest in painting — my lifelong passion. That was the clue. I saw a psychologist. Turned out I was depressed about a divorce I thought I’d handled. Six sessions of talking and I had my energy back. It wasn’t my body. It was my heart.”
Another reader, 52, said: “I couldn’t get off the couch. My wife thought I was lazy. I took the three‑question test — failed all three. Saw my GP, started a low‑dose antidepressant temporarily. Within three months I was jogging. I wish I’d known sooner that fatigue and depression are cousins, not twins.”
So before you buy another bottle of energy vitamins or another espresso machine, ask yourself those three questions. Rest won’t fix depression. Self‑criticism makes it worse. But the right help can bring you back to life — not just back to your feet.
