Vaccine Effectiveness Can Decrease If You Don’t Get Enough Sleep

Vaccine Effectiveness Can Decrease If You Don’t Get Enough Sleep

Sleep is an essential aspect of maintaining good health, both in the short-term and long-term. It plays a crucial role in repairing and regenerating cells, tissues, and organs in the body. Additionally, sleep is necessary for maintaining a healthy immune system, regulating hormones that control appetite, metabolism, and growth, and promoting cognitive function, including memory, learning, and problem-solving skills. Therefore, it is crucial to prioritize sleep to ensure optimal physical and mental health.

A new study that CNN writes about has found a link between vaccination and the amount of good sleep a person gets. It applies regardless of the type of vaccine you aim to get: covid, flu, or for another condition.

Men have to be more careful with their sleep before vaccination

Getting a good night’s sleep is crucial for maintaining a healthy immune system and ensuring the body responds effectively to vaccines. Researchers have found that sleeping less than six hours the night before a vaccination may weaken the body’s response to the vaccine, especially when it comes to men.

Irwin, who is director of the Cousins Center for Psychoneuroimmunology and Mindful Awareness Research Center at UCLA, stated as CNN quotes:

If I was working with patients to give them a vaccination, I would inquire whether they’re having problems with sleep and whether they were sleep deprived the night before,

If they are, I would ask them to come back when they are fully rested.

The body needs to go through four stages of sleep, including a deep, slow-wave sleep, to restore itself on a cellular level and boost its immune response. It is recommended that adults get seven to eight hours of sleep per night to achieve restorative sleep. Sleep-deprived individuals should consider delaying their vaccination to ensure an optimal immune response.


Even since he was a child, Cristian was staring curiously at the stars, wondering about the Universe and our place in it. Today he's seeing his dream come true by writing about the latest news in astronomy. Cristian is also glad to be covering health and other science topics, having significant experience in writing about such fields.

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