In this article, we will take a close look at the effects of vaccination on infant sleep. We will discuss how immunization can lead to increased sleep duration in some infants, the potential side effects that may temporarily affect sleep, and the safety of allowing an infant to sleep after receiving a vaccine.
Author - Jakub Gwiazdecki
Fifth year medical student at the Medical Faculty of Comenius University in Bratislava.
Jakub used MediSearch to find sources for this blog.
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Should you worry if your child sleeps after a vaccine?
You should not be worried or surprised when your child sleeps longer after a vaccine. Infants can sleep longer during the first 24 hours after the vaccination [1].
In case your infant suffers from low-grade fever, its sleep duration can change too. Infants with fever as a side effect after vaccination can sleep long [1].
However, not all infants will sleep longer after the vaccine. Some of them will not show any changes [2].
Why do infants sleep after vaccine?
The primary reason why infants sleep after a vaccine is the immunological reaction of their body. The infant's autoimmune reaction uses a lot of energy. This leads to a need for longer sleep [3].
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