Critical Care Time 68. Sleep for ICU Clinicians: Functioning Better on Night Shifts
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Feb 2, 2026 Practical tactics to survive night shifts, including timed light exposure, blackout strategies, and sleep environment tweaks. Tips on strategic naps, caffeine timing, and pre-shift sleep banking. Discussion of chronotypes, exercise and meal timing as circadian cues. Review of supplements and medications to aid adaptation and system-level fixes like predictable schedules and nap rooms.
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Time Meals To Your Circadian Clock
- Favor daytime-only or time-restricted eating; avoid heavy meals after midnight to preserve glucose tolerance.
- Aim for a roughly 10-hour eating window and bring healthy snacks to work.
Bank Sleep And Nap Strategically
- Bank sleep by napping or extending sleep before your first night; even rest in bed yields benefits.
- Short strategic naps during shifts (≈20–40 minutes) reliably improve alertness and performance.
Use Caffeine Strategically
- Use caffeine as a 'loading dose and drip' early in the shift and avoid it in the second half so you can sleep after work.
- Personalize timing and dose because caffeine half-life varies widely between individuals.