Sleep and Immunity

Learn how sleep supports immune function, infection response, and recovery.

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How Sleep Affects the Immune System

An evidence-based guide to what sleep can and cannot do for immune function, including infection, inflammation, vaccination, illness, and care boundaries. Updated Jul 2026 →

Illness and immune stress

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Cancer and Sleep

Cancer and its treatment can disrupt sleep in different ways. Identifying the pattern helps match the problem to supportive care that can actually help. Updated Jul 2026 →