Caffeine

Caffeine for Night Shift Nurses

When to drink it, when to stop, and how caffeine interacts with shift work sleep. Evidence-based timing guidance.

When to Stop Drinking Caffeine on Night Shift

Caffeine has a half-life of 5 to 6 hours. For most night shift nurses, that means a hard cutoff at least 6 hours before your target sleep time. Here is the research behind the timing.

Go deeper with our comprehensive guides or try the caffeine calculator.

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