Managing Sleep on Police Shift Work

• Officers on rotating or permanent night shifts
• Officers struggling with daytime sleep quality
• Probationers adapting to shift patterns for the first time
• Partners and family members wanting to understand and support a shift worker

1. 1

   Understand what shift work does to your body

   Your circadian rhythm is anchored to light and darkness. Working nights means asking your body to be alert when it is programmed to sleep, and to sleep when daylight signals wakefulness. This disruption increases risk of fatigue, cardiovascular disease, metabolic disorders, depression, and impaired decision-making. It does not mean you cannot manage it — but it does require active management.

2. 2

   Protect your sleep environment

   Blackout curtains or a blackout eye mask are essential for daytime sleep — even moderate light exposure suppresses melatonin and reduces sleep quality. Keep your room cool (around 18 degrees Celsius is optimal), use white noise or earplugs to mask daytime sounds, and treat your sleep time as a protected, non-negotiable priority.

3. 3

   Use light strategically

   Before a night shift, avoid bright light in the late evening if you plan to sleep earlier, or seek bright light exposure if you need to stay awake longer. After a night shift, avoid bright daylight (wear sunglasses on the way home) to allow your body to transition to sleep. After sleeping, expose yourself to natural light to reset your rhythm.

4. 4

   Manage caffeine carefully

   Caffeine has a half-life of approximately 5 to 7 hours. A coffee at 2am means half its caffeine is still active at 7am — when you need to sleep. A useful rule: stop caffeine 6 hours before your intended sleep time. During nights, caffeine in the first half of the shift is more beneficial and less disruptive than in the second half.

5. 5

   Consider melatonin — talk to your GP first

   Low-dose melatonin taken 30 to 60 minutes before your intended sleep time can help shift workers advance or delay their circadian phase. It is available over the counter but is most effective when timed correctly — which varies by individual. Discuss with your GP, particularly if you are on other medication.

6. 6

   Napping as a tool

   A 20-minute nap before a night shift can significantly improve alertness and reduce fatigue during the shift. Longer naps (90 minutes) allow a full sleep cycle but may cause grogginess if woken mid-cycle. If your force allows rest breaks during nights, a short nap in a safe location can improve decision-making and safety.

7. 7

   Communicate with your family

   Partners and children may struggle with your inverted schedule. Set clear expectations: your daytime sleep is not optional and not negotiable. Use a whiteboard or shared calendar showing your shift pattern. Ask family members not to schedule noisy activities during your sleep window. These conversations are easier before resentment builds.

• Using alcohol to get to sleep — it fragments sleep architecture and worsens sleep quality overall
• Trying to flip back to a normal sleep pattern on days off, which prevents adaptation and increases fatigue
• Using a phone or screen in bed — blue light suppresses melatonin; use night mode or avoid screens for 30 minutes before sleep
• Ignoring persistent sleep problems, which can lead to clinical insomnia or exacerbate mental health difficulties
• Skipping sleep entirely between a run of night shifts to see family — chronic sleep debt accumulates dangerously

See your GP if: you are sleeping fewer than 5 hours in a 24-hour period despite trying to sleep, you cannot sleep at all before shifts, or poor sleep is significantly affecting your mood, mental health, or ability to make safe decisions at work. If you are experiencing a mental health crisis, call Samaritans on 116 123 or text BLUELIGHT to 85258.