In recent years, UK workplaces have increasingly adopted employee-focused benefits designed to improve wellbeing and job satisfaction. Initiatives such as flexible working, enhanced parental leave, wellbeing allowances, and even paid leave for birthdays have become more common, signalling a move towards more personalised and people-centric reward strategies.
If employers are prepared to formalise time off for birthdays in recognition of work-life balance, it begs the question: why aren’t mental health days - designed specifically to support psychological wellbeing - just as firmly embedded in workplace policy?
Despite growing openness around mental health and increased awareness of its impact, there remains a gap between intention and implementation when it comes to offering structured, preventative support.
Peninsula reports that one-in-six employers in the UK now offer mental health days, suggesting that adoption is increasing but still far from universal. On top of this, analysis by Simplyhealth shows that more than five million working days have already been lost to mental ill-health in 2026 alone.
Therefore, is it time for organisations to more widely adopt mental health days as part of a proactive strategy to support employee wellbeing and prevent longer-term issues?
What are mental health days?
Mental health days are preventative or restorative absences from work, aimed at maintaining or improving psychological wellbeing. They are often framed as proactive interventions, allowing individuals to use the time to focus on relieving stress and preventing burnout, before reaching crisis point.
Currently, in the UK, mental health days are not a specific legal right. But, under current employment law, employees are entitled to take time off for their mental health as part of their statutory sick leave entitlement.
Benefits of mental health days for employees
1. Prevention of burnout and long-term illness
Mental health days allows employees to take proactive breaks before stress escalates into serious burnout or mental illness.
Without this opportunity, employees may continue working while overwhelmed, leading to chronic stress, anxiety, depression, or extended sick leave later on.
Early intervention means that employees can maintain better long-term wellbeing rather than reaching a crisis point.
2. Improved overall wellbeing and job satisfaction
Having access to mental health days signals that an employer values psychological wellbeing. In turn, this can reduce feelings of guilt around taking time off, create a sense of being supported and understood, and improve morale and engagement.
As a result, employees are more likely to feel valued, motivated, and satisfied in their roles.
3. Increased focus and productivity when returning to work
Time off to mentally reset can significantly improve cognitive performance.
After a mental health day, employees are often more focused, better able to make decisions, and less prone to errors.
Benefits of mental health days for employers
1. Higher productivity and performance
Although allowing time off may seem costly, it can improve overall productivity. Employees who are well-rested work more efficiently, produce higher-quality output, and require less supervision.
In the long term, this leads to stronger organisational performance.
2. Reduced absenteeism and staff turnover
Supporting mental health early can prevent long-term absence and burnout-related resignations. According to Simplyhealth’s research, one-in-nine (11%) workers have taken time off for mental health reasons in the past year, with over a quarter (27%) of those doing so, taking more than two weeks.
Therefore, the introduction of mental health days helps employers reduce extended sick leave, retain experienced staff, and lower recruitment and training costs.
3. Improved company culture and employer reputation
Demonstrating a strong commitment to employee wellbeing can help organisations attract new talent, particularly younger workers, who are more likely to experience mental health challenges in the workplace. Almost one-in-five (16%) employees aged 18–34 have taken time off for mental health reasons, compared to just one in ten (10%) of those aged 35-54.
In addition, it can also strengthen employer branding and foster a more open and supportive workplace culture.
How to implement mental health days in the workplace
To make sure mental health days are used appropriately and fulfil their intended purpose, it’s essential to establish a clear approach to how they are introduced in your workplace:
1. Create a clear policy
Establishing a well-defined mental health leave policy, either as part of, or alongside, your wider employee wellbeing or health and wellbeing policy, is essential. This ensures all employees understand the purpose of the days, how they function, and their overall impact. Your policy should outline elements including:
The purpose of mental health days.
Whether they are paid or unpaid.
The number of days available.
The process for requesting leave - whether it follows sickness absence procedures or requires approval like annual leave, and how overlapping requests are handled.
2. Communicate the policy effectively
As mental health days are still a relatively new concept in the UK, it’s vital to clearly communicate your approach to employees.
Consider holding a short session to explain what mental health days are, how they work, and how they can be used appropriately. This also provides an opportunity to reinforce your organisation’s commitment to mental wellbeing and to highlight the supportive, open culture you aim to foster.
You can also use this communication to remind employees of other wellbeing support available, such as employee assistance programmes (EAPs), gym memberships, health insurance, or flexible working options.
3. Equip your managers
You also need to ensure managers are prepared to support employee wellbeing effectively. Provide training to help your management team recognise early signs of poor mental health and respond with empathy and understanding.
It can also be valuable to train employees across different teams as mental health first aiders. These individuals are equipped to identify warning signs, listen actively, and offer support. Some employees may feel more comfortable speaking to peers rather than managers, so this approach helps ensure everyone has someone they can turn to.
4. Lead by example
Encourage senior leaders to demonstrate positive behaviours, such as taking their full annual leave, maintaining healthy work-life boundaries, and prioritising wellbeing.
Where appropriate, they should also be seen to take mental health days themselves, reinforcing that it is both acceptable and encouraged to make use of this support.
As awareness of mental health continues to grow, so too does the responsibility on employers to respond effectively. Introducing mental health days is just one of many ways to support mental health in the workplace.
Our eBook, ‘An employer’s guide to mental health in the workplace’ - created in collaboration with mental health charity SANE, is here to help you turn awareness into action, giving you the tools and strategies you need to build a workplace that is supportive, inclusive, and prioritises mental health, ensuring that every employee feels valued and supported. Download your free copy here.
