![]() Falling asleep and staying asleep can be difficult for people who are undergoing cancer treatment and can be a lasting challenge long after remission. Increased cancer riskĪ 2015 study found that lack of sleep is linked to increased risk of some cancers, including prostate cancer, breast cancer, and oral cancer. Getting less than 5 hours or more than 9 hours of sleep each night has been linked to an increased risk of heart disease, stroke, and heart attacks. When it comes to matters of the heart, either too little or too much sleep can have a negative effect on your cardiovascular health. Sleep deprivation can also make you more susceptible to respiratory infections like the flu or the common cold, as well as worsen existing respiratory illnesses. Consistently waking up throughout the night due to OSA can lead to sleep deprivation. Obstructive sleep apnea (OSA) is a nighttime breathing disorder that can impact the quality of your sleep by disrupting your peaceful Zzz’s. But some diseases and disorders get in the way of this symbiotic relationship. Your respiratory system relies on quality sleep to keep itself strong, and vice versa. Lack of sleep also makes recovery longer when you do get sick. And when your immune system’s defenses are down, your chances of getting sick go up. Not getting enough sleep weakens your immune system by not allowing it to create sufficient protection. When you’re sleeping, your immune system kicks into gear and prepares itself by building up substances (like antibodies and cytokines) that help fight infection. Just like an army, your immune system needs time to build its defenses. Think of your immune system as an army, always at the ready to protect you against the evil forces of infection and disease.
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