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Can lack of sleep increase the risk of getting sick?

In a two-week study, getting a little less sleep -- under seven hours instead of eight or more -- made people three times more likely to get sick after exposure to a cold virus.

Now that's something to sleep on.

Seems your immune system takes a hit from both lack of sleep and poor sleep. In fact, poor sleep may have an even bigger impact than short sleep. People in the study were five times more likely to get sick when their sleep quality dipped -- even if it just dipped a smidge.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.