5 Signs You May Need a Mental Health Day
- , by SANUSq Research team
- 13 min reading time
Most of us would stay at home with a fever without a second thought, yet we push on for weeks when our mind is running on empty. A mental health day is a planned pause for the second kind of tiredness. Here are five signs it may be time for one, what the research says about rest, and how to make the day count.
What is a mental health day?
A mental health day is a day you deliberately set aside to rest, step back and get your emotional balance back, away from your usual obligations. It isn't about doing nothing out of laziness. The point is to switch off from the things that keep you under pressure, so that your nervous system has a chance to settle.
Think of it as routine maintenance rather than an emergency repair. And it isn't only for people close to breaking point: busy managers, parents and students all need to catch their breath from time to time.
Why mental rest matters
The idea that a break is good for your health is not just wellness talk. The World Health Organization now lists burnout in its International Classification of Diseases as an occupational phenomenon rather than a medical condition. It describes burnout as the result of chronic workplace stress that has not been successfully managed, marked by exhaustion, growing mental distance from or cynicism about your job, and reduced effectiveness at work.
In a review for the World Psychiatric Association, Maslach and Leiter (2016) summarised decades of burnout research from many countries. They highlighted the links between burnout and mental illness as a key current question, and pointed out that there is still relatively little evaluated research on how best to prevent or address it.
Chronic stress doesn't only weigh on mood.
Kivimäki et al. (2012) pooled individual data from 13 European cohort studies covering nearly 200,000 working adults. People who reported job strain (high demands with little control) had about a 23% higher risk of a first heart attack or coronary death over an average of 7.5 years. The authors stressed that this effect was much smaller than that of standard risk factors such as smoking.
In the short term, the stress response is useful: it gets you ready for a deadline or a problem. The trouble starts when it never fully switches off. It is this drawn-out activation, far more than an occasional spike, that tends to wear down sleep, mood and wellbeing. Recovery time lets the system return to baseline.
Sleep is usually the first thing to suffer in a busy period, and it plays a central role here.
In a review of sleep deprivation and thinking, Killgore (2010) described broad agreement that too little sleep slows reactions and makes alertness and attention less reliable. More creative and flexible thinking also appeared to suffer, and there was growing evidence that tasks relying on emotional information are especially affected.
A systematic review and meta-analysis by Palmer et al. (2024), pooling 154 experimental studies in more than 5,700 healthy people, found that every form of sleep loss studied, whether a full night missed, shortened sleep or broken sleep, reduced positive mood and increased anxiety symptoms.
Running yourself into the ground to keep going tends to backfire. A break isn't wasted time; it is an investment in a clearer head.
5 signs you may need a mental health day
1. Tiredness that sleep doesn't fix
You go to bed, you sleep, and you still wake up drained. Fatigue that doesn't lift with ordinary rest is one of the most common signals that your mental load has become too heavy.
2. Unusual irritability or cynicism
Small things set you off. You feel detached from your work or quietly cynical about it. That sense of mental distance is one of the very features the WHO uses to describe burnout.
3. Trouble concentrating and more mistakes
You read the same sentence three times, forget appointments, and simple tasks take a disproportionate effort. Mental fatigue and short sleep both chip away at attention.
4. Disrupted sleep
You struggle to fall asleep, wake in the night or lie there with your mind racing. When stress follows you into the night, it can set up a loop in which tiredness feeds stress and stress feeds tiredness. It is easy to blame something else, such as coffee or an old mattress.
5. Losing motivation or enjoyment
Things that normally lift you leave you flat, and everything seems to take too much energy. It isn't laziness; it is often a sign that your reserves have been low for too long.
One of these signs on its own, for a day or two, is nothing to worry about. We all have hard days. It is when several pile up together, or when they persist for weeks, that they matter: together, they suggest you are using up your reserves faster than you can top them up.
A rest day or burnout: what's the difference?
A mental health day answers short-term fatigue. After a demanding stretch, a single day off is often enough to recharge. Burnout is different. It is an established pattern of lasting exhaustion, cynicism and reduced effectiveness that builds up over months of unmanaged stress, and it does not clear in 24 hours.
The rule of thumb is simple. If, after a proper break, your energy doesn't return and you keep feeling low week after week, this is no longer ordinary tiredness. That is the moment to talk to a professional rather than stacking up rest days that aren't working.
When to take a mental health day, and how to make it count
As for when to take a mental health day, the best time is before you are exhausted, not after. Planning a genuine break every so often, as you might plan exercise, is far more sustainable than waiting to hit a wall.
Taking a mental health day works best when you don't simply swap your work for another to-do list. A few principles help the day actually restore you:
- Switch off properly — put emails and notifications aside. Mental detachment from work is what lets the stress response wind down.
- Put sleep first — a full night, or a short nap, is one of the most reliable ways to restore attention and mood.
- Move gently and get outside — a walk or time in green space can help release built-up tension.
- Do what refuels you — reading, cooking, music, time with people you like. The aim is pleasure and ease, not achievement.
- Allow yourself some time for nothing — not being productive, even for an hour, is part of the point.
A meta-analysis by Karabinski et al. (2021), covering 30 studies and more than 3,700 participants, found that structured interventions designed to help people mentally detach from work during their time off had a moderate positive effect on detachment. Longer interventions worked better, and the benefit was greater in people who started out with health or recovery problems.
In a small experiment, Bratman et al. (2015) found that healthy adults who took a 90-minute walk in a natural setting reported less rumination, the repetitive, self-focused worry that keeps the mind churning, and showed lower activity in a brain region linked to it. A 90-minute walk in an urban setting had no such effect.
What to avoid
Some habits quietly sabotage a day meant for rest. Hours of scrolling social media or the news keep the mind busy in exactly the way you're trying to calm. Using the day to catch up on every overdue chore turns it into a working day in disguise. And relying on alcohol to unwind tends to spoil the following night's sleep, which defeats the purpose.
A systematic review and meta-analysis of 27 studies by Gardiner et al. (2025) found that even a low dose of alcohol, roughly two standard drinks, delayed and reduced REM sleep, with the disruption growing as the dose increased.
Food, routine and supplements
When tiredness also has a physical or nutritional side, what you eat matters. Regular meals, enough fluid, daylight and movement remain the foundation. Some people also choose to add a plant-based supplement to their routine, such as our Reishi + Moringa bundle. If you do, see it as one small part of an overall healthy lifestyle. No supplement replaces sleep, rest or professional support, and none is a treatment for stress, burnout, anxiety or depression.
If you take regular medication, particularly blood thinners, blood pressure tablets, diabetes medicines or antidepressants, check with your doctor or pharmacist before starting any herbal product.
When to seek professional help
A day of rest can help with a short-term overload, but it is not a substitute for support when low mood or anxiety sets in. If the signs described here last for several weeks, get worse, or come with significant distress, speak to your GP or a mental health professional. Don't wait until you feel completely at the end of your rope.
A doctor can also help rule out other causes of persistent tiredness, such as iron deficiency, a sleep disorder or a thyroid problem, and point you towards the right help. Asking for support is a sensible step, not a failure.
If you ever have thoughts of harming yourself, or feel you can't keep yourself safe, contact your local emergency number straight away, or a crisis line such as Samaritans (116 123 in the UK and Ireland).
The bottom line
A mental health day is not an indulgence. Persistent tiredness, irritability, poor concentration, broken sleep and lost enjoyment are signals worth listening to, and a well-used day off can help you reset. If a proper break doesn't help, talk to a professional rather than pushing harder.
Frequently asked questions
Is a mental health day the same as a day off?
Not quite. An ordinary day off often fills up with errands and housework. A mental health day is aimed specifically at psychological rest and stepping away from stress.
How often should you take a mental health day?
There is no fixed number. It depends on you and on how much pressure you are under at the time. The key is to notice the signs described above and take a break before you reach breaking point, rather than after.
How do I tell my employer I need a mental health day?
You usually don't need to go into detail; booking a day of leave is often enough. If stress is ongoing, it may be worth speaking to your manager, HR or occupational health.
Can supplements replace rest?
No. Nothing replaces sleep, genuine recovery and, where needed, professional support. A healthy routine remains the foundation, and any supplement is at most a small addition to it.
When is it more than needing a day off?
If you still feel exhausted, low or detached after a proper break, or the feelings have lasted for several weeks, speak to your GP or a mental health professional. Seek urgent help if you have thoughts of harming yourself.
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References
- Maslach C, Leiter MP. Understanding the burnout experience: recent research and its implications for psychiatry. World Psychiatry. 2016;15(2):103–111. PMID 27265691
- Kivimäki M, Nyberg ST, Batty GD, et al. Job strain as a risk factor for coronary heart disease: a collaborative meta-analysis of individual participant data. Lancet. 2012;380(9852):1491–1497. PMID 22981903
- Killgore WD. Effects of sleep deprivation on cognition. Progress in Brain Research. 2010;185:105–129. PMID 21075236
- Palmer CA, Bower JL, Cho KW, et al. Sleep loss and emotion: a systematic review and meta-analysis of over 50 years of experimental research. Psychological Bulletin. 2024;150(4):440–463. PMID 38127505
- Karabinski T, Haun VC, Nübold A, Wendsche J, Wegge J. Interventions for improving psychological detachment from work: a meta-analysis. Journal of Occupational Health Psychology. 2021;26(3):224–242. PMID 34096763
- Bratman GN, Hamilton JP, Hahn KS, Daily GC, Gross JJ. Nature experience reduces rumination and subgenual prefrontal cortex activation. Proceedings of the National Academy of Sciences of the United States of America. 2015;112(28):8567–8572. PMID 26124129
- Gardiner C, Weakley J, Burke LM, et al. The effect of alcohol on subsequent sleep in healthy adults: a systematic review and meta-analysis. Sleep Medicine Reviews. 2025;80:102030. PMID 39631226
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