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HR Health Check

Managing Holiday Hangovers: Dealing with January Absence Spikes

absence underperfomance Jan 30, 2026

January sickness records tell a predictable story. The week after New Year sees absence rates double. Phantom illnesses multiply. Late returns from the Christmas break become routine. And by mid-January, leaders are wrestling with patterns that feel suspicious but difficult to address. 

 

Some absences are genuine. Winter bugs circulate viciously in January. But alongside legitimate sickness sits something else: people extending their break informally, calling in sick when they're simply not ready to return, or taking unauthorised duvet days. 

 

The challenge isn't only operational disruption. It's managing absence fairly, maintaining consistency, and addressing problems without becoming heavy-handed or damaging morale. A good tip here is to use January to reset your People Plan

 

Why January Absence Spikes 

January combines genuine illness risk with psychological reluctance to return to work. The contrast between festive leisure and January reality hits hard. Add dark mornings, post-holiday financial stress, and winter bleakness, and absence becomes tempting. 

 

For some employees, calling in sick feels easier than admitting they're struggling with motivation. Others genuinely believe they're too unwell when they're actually exhausted or hungover. A smaller group deliberately abuse sick leave, knowing January provides cover. 

 

Leaders often hesitate to challenge January absences for fear of appearing unsympathetic during cold and flu season. That hesitation creates inconsistency where some employees follow rules whilst others exploit them, a pattern often seen when employee relations issues go untreated.

 

Return-to-Work Interviews: The Essential Tool 

Return-to-work conversations are your first defence against absence abuse and best early warning system for genuine problems. Yet many businesses either skip them or conduct them so inconsistently they become meaningless. 

 

Key principles: 

  • Conduct for every absence, regardless of duration 
  • Keep conversations factual and non-confrontational 
  • Ask about the illness, recovery status, and any work-related factors 
  • Document everything for future reference 

 

Standard opening: "Welcome back. Can you tell me about your absence?" This neutrally invites explanation without accusation. 

 

Spotting Patterns That Matter 

Individual absences rarely reveal much. Patterns tell the story. 

 

Red flags to watch for: 

  • Absences every Monday or Friday 
  • Repeated absences immediately after pay day 
  • Sick days consistently coinciding with busy periods or deadlines 
  • Frequent single-day absences rather than longer illness periods 
  • Absences following late-night social events 

 

Someone taking ten single-day absences across three months creates more disruption and raises more questions than someone off for two weeks with documented illness. 

 

Track absence across teams, not just individuals. If one team has significantly higher rates than others, that suggests management issues, workload problems, or cultural tolerance of poor attendance. 

 

Maintaining Fairness Without Being Heavy-Handed 

The balance between reasonable absence management and heavy-handed enforcement defines whether your approach works. 

 

Essential practices: 

  • Apply policies consistently to everyone 
  • Distinguish between genuine illness and other issues 
  • Use trigger points (e.g. three absences in three months) to prompt action 
  • Support those with legitimate health issues whilst challenging abuse 

 

Mental health absences need support and potentially reasonable adjustments, not disciplinary action. Someone repeatedly calling in sick after nights out needs a different conversation entirely. 

 

The Formal Absence Management Process 

When informal conversations don't resolve patterns, formal processes become necessary. 

 

Escalation stages: 

First formal meeting: Present facts about dates, frequency, and patterns. Explore whether health issues or workplace problems contribute. Set clear attendance expectations. 

 

Occupational health referrals: Professional medical assessment clarifies whether underlying conditions exist or whether reasonable adjustments would help. 

 

Warning stages: If absence continues, progress through informal warnings, formal written warnings, and final warnings before considering dismissal. 

 

Throughout formal processes, senior hr advisor input often proves valuable, ensuring procedures follow employment law requirements whilst maintaining focus on fair outcomes rather than just box-ticking compliance. 

 

Addressing Post-Holiday Extension Attempts 

January brings specific challenges around employees attempting to extend holidays informally through convenient sickness. 

 

How to respond: 

  • Challenge early in return-to-work conversations 
  • Note patterns: "This is the second year you've been ill immediately after Christmas" 
  • Consider requiring medical evidence for absences immediately before or after holidays once patterns emerge 
  • Don't accuse, but don't ignore suspicious timing 

 

Preventive Measures That Reduce January Absence 

Prevention works better than enforcement. 

 

Practical steps: 

  • Allow adequate holiday time over Christmas rather than forcing early returns 
  • Address workload before the break so people don't return to chaos 
  • Maintain contact during closure with brief reminders of return dates 
  • Clear desks and set reasonable return expectations 

 

People who leave for Christmas knowing they're returning to manageable situations are less likely to extend their time away, particularly when annual leave rights are clearly communicated and applied consistently.

 

When Absence Becomes a Dismissal Issue 

Sometimes processes don't work. Despite support, medical intervention, and warnings, attendance remains unacceptable. 

 

Two heavier routes: 

Capability dismissals: For genuine ill-health where someone cannot do their job despite adjustments. Requires medical evidence and demonstration that dismissal is reasonable. 

Conduct dismissals: For repeated unauthorised absence demonstrating deliberate policy breach rather than genuine incapacity. 

 

Either route requires robust documentation, fair process, and professional HR guidance to avoid unfair dismissal claims. 

 

The Cultural Element 

Absence management isn't only about policies. Workplace culture either enables or prevents abuse. 

 

Teams that tolerate poor attendance implicitly encourage it. Clear expectations, consistent enforcement, and visible consequences create cultures where good attendance becomes the norm. 

 

Recognition matters too. Occasional acknowledgment of reliable attendance reinforces its value, whilst those with poor attendance consume disproportionate management time. 

 

Getting January Right 

January absence spikes are predictable, and not inevitable. Businesses that conduct return-to-work interviews consistently, spot patterns early, and balance fairness with firmness navigate January without operational chaos. 

 

The key isn't being harsh or unsympathetic. It's being consistent, fair, and clear that whilst genuine illness is always supported, informal holiday extensions and repeated convenience absences won't be tolerated. 

 

Your approach to January absence tells employees whether your policies have teeth or are just words in a handbook. 

 

Struggling with absence management or need support updating your policies? The HR Doctor provides practical guidance on handling attendance issues fairly and effectively. 

 

From policy development to leader training in conducting return-to-work interviews, we help businesses maintain good attendance without damaging morale. 

 

Contact us for expert support on absence management that protects both your business and your people. 

HARDWIRE HR

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